<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e1767-3360-715d-b37f-61efc8e284d0,g:0da79099-f400-4881-acfe-d197de369708-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.verisign.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="vrsn-20260630.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019e1767-3360-7ca7-bc76-9db86377b723" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019e1767-3360-73f2-90cc-35422da07ed2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e1767-3360-7ca7-bc76-9db86377b723" xlink:to="loc_us-gaap_AssetsCurrent_019e1767-3360-73f2-90cc-35422da07ed2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_019e1767-3360-733e-a68d-dc108b719a10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019e1767-3360-7ca7-bc76-9db86377b723" xlink:to="loc_us-gaap_AssetsNoncurrent_019e1767-3360-733e-a68d-dc108b719a10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019e1767-3360-7f5a-9102-d47b12a52278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019e1767-3360-7f5a-9102-d47b12a52278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e1767-3360-7ed1-aef2-12806954b017" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:to="loc_us-gaap_Goodwill_019e1767-3360-7ed1-aef2-12806954b017" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019e1767-3360-7722-a37b-b0a66eb74ed2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019e1767-3360-7722-a37b-b0a66eb74ed2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsNoncurrent_019e1767-3360-7884-8810-c32c2c4e1355" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepositsAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:to="loc_us-gaap_DepositsAssetsNoncurrent_019e1767-3360-7884-8810-c32c2c4e1355" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019e1767-3360-7f50-b63a-212001394e94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsNoncurrent_019e1767-3360-7162-ab20-6dfe4b736726" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019e1767-3360-7f50-b63a-212001394e94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7d4b-81bd-0cc283882003" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_019e1767-3360-7c48-b57f-154837d7259a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenueNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7d4b-81bd-0cc283882003" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_019e1767-3360-7c48-b57f-154837d7259a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorLongTermNotes_019e1767-3360-7369-8d92-e01933d2092e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorLongTermNotes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7d4b-81bd-0cc283882003" xlink:to="loc_us-gaap_SeniorLongTermNotes_019e1767-3360-7369-8d92-e01933d2092e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019e1767-3360-7b0e-a5c4-b65695be4fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7d4b-81bd-0cc283882003" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019e1767-3360-7b0e-a5c4-b65695be4fa3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-75ee-8700-945620351d8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-3360-7134-9622-0c4fb9fb8904" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-75ee-8700-945620351d8a" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-3360-7134-9622-0c4fb9fb8904" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueCurrent_019e1767-3360-7e26-832d-64a73e366903" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenueCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-75ee-8700-945620351d8a" xlink:to="loc_us-gaap_DeferredRevenueCurrent_019e1767-3360-7e26-832d-64a73e366903" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesCurrent_019edc21-9623-79ea-be16-ea8d52e44e82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-75ee-8700-945620351d8a" xlink:to="loc_us-gaap_SeniorNotesCurrent_019edc21-9623-79ea-be16-ea8d52e44e82" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e1767-3360-79b2-b5ec-facfb1de7bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019e1767-3360-7d78-b9f4-5d10400caa3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e1767-3360-79b2-b5ec-facfb1de7bf0" xlink:to="loc_us-gaap_PreferredStockValue_019e1767-3360-7d78-b9f4-5d10400caa3b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_019e1767-3360-7945-a87a-92d30e40a348" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e1767-3360-79b2-b5ec-facfb1de7bf0" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_019e1767-3360-7945-a87a-92d30e40a348" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e1767-3360-7f78-adcd-bd7091771723" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e1767-3360-79b2-b5ec-facfb1de7bf0" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019e1767-3360-7f78-adcd-bd7091771723" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e1767-3360-7b6b-a019-b1cc4366cbff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019e1767-3360-79b2-b5ec-facfb1de7bf0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019e1767-3360-7b6b-a019-b1cc4366cbff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019e1767-3360-7de9-987a-61779fd74aff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e1767-3360-746c-84d7-7e48f9bc8a76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e1767-3360-7de9-987a-61779fd74aff" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e1767-3360-746c-84d7-7e48f9bc8a76" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesCurrent_019e1767-3360-78bb-aab8-c94cb6d8a3ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MarketableSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e1767-3360-7de9-987a-61779fd74aff" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_019e1767-3360-78bb-aab8-c94cb6d8a3ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-783b-8d18-d136c35004de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019e1767-3360-7de9-987a-61779fd74aff" xlink:to="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-783b-8d18-d136c35004de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e1767-3360-77c9-b2c6-d87ca92923dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019e1767-3360-7655-b1e1-f11a3ffe88dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e1767-3360-77c9-b2c6-d87ca92923dc" xlink:to="loc_us-gaap_Liabilities_019e1767-3360-7655-b1e1-f11a3ffe88dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019e1767-3360-75bb-bd79-cc4ddfa6375a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019e1767-3360-77c9-b2c6-d87ca92923dc" xlink:to="loc_us-gaap_StockholdersEquity_019e1767-3360-75bb-bd79-cc4ddfa6375a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019e1767-3360-7502-bec5-896652ab5d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-749d-ae2b-4baf2ea08bb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e1767-3360-7502-bec5-896652ab5d5d" xlink:to="loc_us-gaap_LiabilitiesCurrent_019e1767-3360-749d-ae2b-4baf2ea08bb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7c23-acd8-6171c758dcf3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019e1767-3360-7502-bec5-896652ab5d5d" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_019e1767-3360-7c23-acd8-6171c758dcf3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" xlink:href="vrsn-20260630.xsd#CondensedConsolidatedStatementsOfComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7e49-807d-a2362488f102" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019e1767-3360-71b0-99b5-28b792c0d7cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7e49-807d-a2362488f102" xlink:to="loc_us-gaap_Revenues_019e1767-3360-71b0-99b5-28b792c0d7cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019e1767-3360-7e4b-b25d-427b6b26a6be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7e49-807d-a2362488f102" xlink:to="loc_us-gaap_CostOfRevenue_019e1767-3360-7e4b-b25d-427b6b26a6be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019e1767-3360-7352-8b00-72e9e208dd8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7e49-807d-a2362488f102" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019e1767-3360-7352-8b00-72e9e208dd8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e1767-3360-7660-a756-521030890304" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7e49-807d-a2362488f102" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e1767-3360-7660-a756-521030890304" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-79ed-b165-2f5bcfb99cee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7661-97bc-b582123c8edb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-79ed-b165-2f5bcfb99cee" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e1767-3360-7661-97bc-b582123c8edb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_019e1767-3360-7023-b92d-1ffa3d620f59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-79ed-b165-2f5bcfb99cee" xlink:to="loc_us-gaap_InterestExpense_019e1767-3360-7023-b92d-1ffa3d620f59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingGainsLosses_019e1767-3360-7dfc-894a-ac13ed8c3eba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingGainsLosses"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-79ed-b165-2f5bcfb99cee" xlink:to="loc_us-gaap_NonoperatingGainsLosses_019e1767-3360-7dfc-894a-ac13ed8c3eba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019e1767-3360-7aac-81a8-9eeec5448a6f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019e1767-3360-7f0d-8372-a138decac71e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019e1767-3360-7aac-81a8-9eeec5448a6f" xlink:to="loc_us-gaap_CostOfRevenue_019e1767-3360-7f0d-8372-a138decac71e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019e1767-3360-7efa-911f-9c1824ccd199" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019e1767-3360-7aac-81a8-9eeec5448a6f" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019e1767-3360-7efa-911f-9c1824ccd199" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e1767-3360-7598-ae59-0d466399dafe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019e1767-3360-7aac-81a8-9eeec5448a6f" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019e1767-3360-7598-ae59-0d466399dafe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e1767-3360-7010-ae9c-292341e78abf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e1767-3360-79fc-a091-6a30ee0f7bee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e1767-3360-7010-ae9c-292341e78abf" xlink:to="loc_us-gaap_NetIncomeLoss_019e1767-3360-79fc-a091-6a30ee0f7bee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e1767-3360-7aaf-a066-0bb254db2536" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019e1767-3360-7010-ae9c-292341e78abf" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e1767-3360-7aaf-a066-0bb254db2536" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e1767-3360-76ef-9558-f2efef14151e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-7e27-869b-98da5ad6af8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e1767-3360-76ef-9558-f2efef14151e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019e1767-3360-7e27-869b-98da5ad6af8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e1767-3360-70aa-aece-d3a2414fbef5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019e1767-3360-76ef-9558-f2efef14151e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e1767-3360-70aa-aece-d3a2414fbef5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="vrsn-20260630.xsd#CondensedConsolidatedStatementsOfCashFlows"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e1767-3360-7ed2-94c6-19308f710401" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_ProfitLoss_019e1767-3360-7ed2-94c6-19308f710401" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019e1767-3360-7898-9bcd-0708232b76a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_DepreciationAndAmortization_019e1767-3360-7898-9bcd-0708232b76a4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019e1767-3360-7015-a56c-81c387c1faa9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_ShareBasedCompensation_019e1767-3360-7015-a56c-81c387c1faa9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019e1767-3360-7dcc-bc2d-6b9b35bf6b39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019e1767-3360-7dcc-bc2d-6b9b35bf6b39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019e1767-3360-76bf-bdd1-b7ebe201f72f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019e1767-3360-76bf-bdd1-b7ebe201f72f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019e1767-3360-7378-be5d-8daed1c8aa0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019e1767-3360-7378-be5d-8daed1c8aa0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_019e1767-3360-71b0-be13-19db1f75c719" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_019e1767-3360-71b0-be13-19db1f75c719" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_019e1767-3360-790b-8816-89d9625fb7e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7caa-b8e5-94a1b5c196a9" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_019e1767-3360-790b-8816-89d9625fb7e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-708e-8bcb-59dacd5c68f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_019e1767-3360-736f-a94c-e1afb5d5e580" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-708e-8bcb-59dacd5c68f2" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_019e1767-3360-736f-a94c-e1afb5d5e580" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_019e1767-3360-709c-85c1-ab163711de8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-708e-8bcb-59dacd5c68f2" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_019e1767-3360-709c-85c1-ab163711de8d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e1767-3360-70d9-82fd-59bb1dafca3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-708e-8bcb-59dacd5c68f2" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019e1767-3360-70d9-82fd-59bb1dafca3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019e1767-3360-7481-b751-1d16c6fad3f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019e1767-3360-7481-b751-1d16c6fad3f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e1767-3360-73ac-b1b9-569bbae9b554" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019e1767-3360-73ac-b1b9-569bbae9b554" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_019e1767-3360-7fd2-9087-a1a10aa5b6b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_us-gaap_PaymentsOfDividends_019e1767-3360-7fd2-9087-a1a10aa5b6b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_019e21e7-0a18-7420-a1f2-55722903ebf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_019e21e7-0a18-7420-a1f2-55722903ebf0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PaymentOfExciseTaxOnRepurchaseOfCommonStock_019e1767-3360-7bad-923a-e430a0fcc370" xlink:href="vrsn-20260630.xsd#vrsn_PaymentOfExciseTaxOnRepurchaseOfCommonStock"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_vrsn_PaymentOfExciseTaxOnRepurchaseOfCommonStock_019e1767-3360-7bad-923a-e430a0fcc370" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebtMaturingInMoreThanThreeMonths_019e1767-3360-7a0d-9745-beda22a91df1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfDebtMaturingInMoreThanThreeMonths"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7594-92ac-b90906a8da2a" xlink:to="loc_us-gaap_RepaymentsOfDebtMaturingInMoreThanThreeMonths_019e1767-3360-7a0d-9745-beda22a91df1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e1767-3360-757f-89ff-1a7e01ab7c94" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7a07-b923-be8727d11730" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e1767-3360-757f-89ff-1a7e01ab7c94" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019e1767-3360-7a07-b923-be8727d11730" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-74e4-9edf-fbef41b7d3fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e1767-3360-757f-89ff-1a7e01ab7c94" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019e1767-3360-74e4-9edf-fbef41b7d3fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7e06-8c03-71ab84bd1343" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e1767-3360-757f-89ff-1a7e01ab7c94" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019e1767-3360-7e06-8c03-71ab84bd1343" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e1767-3360-733f-89e0-f90799913e91" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019e1767-3360-757f-89ff-1a7e01ab7c94" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019e1767-3360-733f-89e0-f90799913e91" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/FinancialInstrumentsCashCashEquivalentsandMarketableSecuritiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019e1767-3360-7da2-ae10-efadac754a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue_019e1767-3360-761a-a7c5-f23bdf03161c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019e1767-3360-7da2-ae10-efadac754a1c" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue_019e1767-3360-761a-a7c5-f23bdf03161c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimeDepositsAtCarryingValue_019e1767-3360-7b30-bb7f-8b614fb55f81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TimeDepositsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019e1767-3360-7da2-ae10-efadac754a1c" xlink:to="loc_us-gaap_TimeDepositsAtCarryingValue_019e1767-3360-7b30-bb7f-8b614fb55f81" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_019e1767-3360-71fb-a5ff-220ccf45f661" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019e1767-3360-7da2-ae10-efadac754a1c" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_019e1767-3360-71fb-a5ff-220ccf45f661" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_019e1767-3360-7174-a1c1-5f96ae3ab9ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsAndShortTermInvestments_019e1767-3360-7da2-ae10-efadac754a1c" xlink:to="loc_us-gaap_FinancialInstrumentsOwnedUSGovernmentAndAgencyObligationsAtFairValue_019e1767-3360-7174-a1c1-5f96ae3ab9ec" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsOtherCurrentAssetsDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#OtherBalanceSheetItemsOtherCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsOtherCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent_019e1767-3360-7893-967c-cdc4c7f66a50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseCurrentAndNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:to="loc_us-gaap_PrepaidExpenseCurrentAndNoncurrent_019e1767-3360-7893-967c-cdc4c7f66a50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Prepaidregistryfeescurrent_019e1767-3360-753d-aea7-89ab9d83b856" xlink:href="vrsn-20260630.xsd#vrsn_Prepaidregistryfeescurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:to="loc_vrsn_Prepaidregistryfeescurrent_019e1767-3360-753d-aea7-89ab9d83b856" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReceivable_019e1767-3360-750c-8984-f67b00a48bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxReceivable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:to="loc_us-gaap_IncomeTaxReceivable_019e1767-3360-750c-8984-f67b00a48bc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019e1767-3360-772c-abb8-3830111b9085" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019e1767-3360-772c-abb8-3830111b9085" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousCurrent_019e1767-3360-790d-9e76-fad6ede3fb57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsMiscellaneousCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019e1767-3360-7068-ada7-017e65304268" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousCurrent_019e1767-3360-790d-9e76-fad6ede3fb57" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsOtherLongTermAssetsDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#OtherBalanceSheetItemsOtherLongTermAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsOtherLongTermAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseNoncurrent_019e1767-342d-7f87-93e0-588e41ad6fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:to="loc_us-gaap_PrepaidExpenseNoncurrent_019e1767-342d-7f87-93e0-588e41ad6fcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_OperatingLeaseROU_019e1767-342d-79d4-ba11-d585086eb855" xlink:href="vrsn-20260630.xsd#vrsn_OperatingLeaseROU"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:to="loc_vrsn_OperatingLeaseROU_019e1767-342d-79d4-ba11-d585086eb855" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_PrepaidRegistryFeesNonCurrent_019e1767-342d-746b-abf7-7043724907e5" xlink:href="vrsn-20260630.xsd#vrsn_PrepaidRegistryFeesNonCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:to="loc_vrsn_PrepaidRegistryFeesNonCurrent_019e1767-342d-746b-abf7-7043724907e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_019e1767-342d-7944-b1c5-0387c81810a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:to="loc_us-gaap_RestrictedCash_019e1767-342d-7944-b1c5-0387c81810a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019e1767-342d-7316-bb98-7a4a713e7549" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019e1767-342d-78bb-be07-d492ae175f35" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019e1767-342d-7316-bb98-7a4a713e7549" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/OtherBalanceSheetItemsComponentsOfAccountsPayableAndAccruedLiabilitiesDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#OtherBalanceSheetItemsComponentsOfAccountsPayableAndAccruedLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/OtherBalanceSheetItemsComponentsOfAccountsPayableAndAccruedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_019e1767-342d-701c-b0ab-5c4faaf85bdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableTradeCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_019e1767-342d-701c-b0ab-5c4faaf85bdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerDepositsCurrent_019e1767-342d-73ca-b599-f055e3915713" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerDepositsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_CustomerDepositsCurrent_019e1767-342d-73ca-b599-f055e3915713" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_019e1767-342d-7460-9a6a-a2e63e9dd9ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_019e1767-342d-7460-9a6a-a2e63e9dd9ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_019e1767-342d-7fe5-86e6-4bd2a3ff26f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_019e1767-342d-7fe5-86e6-4bd2a3ff26f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_CustomerIncentivesPayable_019e1767-342d-7525-8a50-7effb0592918" xlink:href="vrsn-20260630.xsd#vrsn_CustomerIncentivesPayable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_vrsn_CustomerIncentivesPayable_019e1767-342d-7525-8a50-7effb0592918" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_019e1767-342d-734c-aa7b-bc9e5a36ec41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_019e1767-342d-734c-aa7b-bc9e5a36ec41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_Accruedfees_019e1767-342d-7337-a0c2-73b941cc686f" xlink:href="vrsn-20260630.xsd#vrsn_Accruedfees"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_vrsn_Accruedfees_019e1767-342d-7337-a0c2-73b941cc686f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e1767-342d-7a3c-a17a-3d9f91e2ad5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019e1767-342d-7a3c-a17a-3d9f91e2ad5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019e1767-342d-732e-a1f9-81d0928a3187" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019e1767-342d-7626-b18a-806b3890e6a0" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019e1767-342d-732e-a1f9-81d0928a3187" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/CalculationOfNetIncomePerShareWeightedAverageSharesUsedInCalculationOfBasicAndDilutedEPSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e1767-342d-7b60-bd1f-9cf8d325cca9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e1767-342d-795f-bd82-5e58fc65c02e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e1767-342d-7b60-bd1f-9cf8d325cca9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019e1767-342d-795f-bd82-5e58fc65c02e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_019e1767-342d-75fc-b02a-5c9bc363462f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019e1767-342d-7b60-bd1f-9cf8d325cca9" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_019e1767-342d-75fc-b02a-5c9bc363462f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.verisign.com/role/SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails" xlink:type="simple" xlink:href="vrsn-20260630.xsd#SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails"/>
  <link:calculationLink xlink:role="http://www.verisign.com/role/SegmentReportingScheduleofSegmentReportingInformationReconciletoNetIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019e1767-342d-7926-b908-ed3ce5639650" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7048-a028-e32ba5dc030a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019e1767-342d-7926-b908-ed3ce5639650" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7048-a028-e32ba5dc030a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_019e1767-342d-7fe0-9bae-bad30d43f87a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019e1767-342d-7926-b908-ed3ce5639650" xlink:to="loc_us-gaap_InterestExpense_019e1767-342d-7fe0-9bae-bad30d43f87a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingGainsLosses_019e1767-342d-76b6-b43d-7f659061928c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingGainsLosses"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019e1767-342d-7926-b908-ed3ce5639650" xlink:to="loc_us-gaap_NonoperatingGainsLosses_019e1767-342d-76b6-b43d-7f659061928c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e1767-342d-7736-b1d3-6cf8f13f2705" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019e1767-342d-7926-b908-ed3ce5639650" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e1767-342d-7736-b1d3-6cf8f13f2705" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019e1767-342d-7af0-8a73-e4e447dbbca7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_Revenues_019e1767-342d-7af0-8a73-e4e447dbbca7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_019e1767-342d-767d-ba54-e68729e8e67b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_LaborAndRelatedExpense_019e1767-342d-767d-ba54-e68729e8e67b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019e1767-342d-7301-9523-cbced6caee16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_ShareBasedCompensation_019e1767-342d-7301-9523-cbced6caee16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentExpense_019e1767-342d-7b37-b930-cdea6e933e9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquipmentExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_EquipmentExpense_019e1767-342d-7b37-b930-cdea6e933e9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_vrsn_RegistryFeeExpenses_019e1767-342d-74e3-bc97-2ac5c0c72a03" xlink:href="vrsn-20260630.xsd#vrsn_RegistryFeeExpenses"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_vrsn_RegistryFeeExpenses_019e1767-342d-74e3-bc97-2ac5c0c72a03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019e1767-342d-7419-b21b-708c97fbcd75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_DepreciationAndAmortization_019e1767-342d-7419-b21b-708c97fbcd75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019e1767-342d-7a8d-a3fa-b1559a1ea96c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019e1767-342d-7ac7-8121-e5319fc55ee2" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019e1767-342d-7a8d-a3fa-b1559a1ea96c" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
