SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for kingcounty.gov

Valid
Issued by (CA)
Sectigo Limited
Subject
kingcounty.gov
Valid from
Mar 16, 2026
Valid until
Sep 30, 2026 (49 days remaining)
Public key
RSA 2048-bit
Serial
824FABADA4730F911172A83A7358994D
SHA-256 fingerprint
18:95:A2:F2:33:F4:16:AE:5B:57:81:52:17:36:93:FE:2F:AE:5C:FE:19:CA:1C:DF:CA:22:E4:41:F6:13:96:61
Chain
Sectigo Public Server Authentication CA EV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (86)
cd.kingcounty.gov, cd.kingcountyhazwastewa.gov, cd10-prod.kingcounty.gov, cd10-stage.kingcounty.gov, cd10-test.kingcounty.gov, cm.kingcounty.gov, cm.kingcountyhazwastewa.gov, cm10-prod.kingcounty.gov, cm10-stage.kingcounty.gov, cm10-test.kingcounty.gov, covidvaccine.kingcounty.gov, edit.kingcounty.gov, editdev.kingcounty.gov, editqa.kingcounty.gov, editstaging.kingcounty.gov, election-results-01.kingcounty.gov, election-results-csv.kingcounty.gov, election-results-pdf.kingcounty.gov, election-results.kingcounty.gov, elections.kingcounty.gov, id.kingcounty.gov, id10-prod.kingcounty.gov, id10-stage.kingcounty.gov, id10-test.kingcounty.gov, ingress.kingcounty.gov, ingress2.kingcounty.gov, ingress3.kingcounty.gov, kingcounty.com, kingcounty.gov, kingcountyhazwastewa.gov, reducedfare.kingcounty.gov, rent-help.kingcounty.gov, wcms-prod-a-cd.kingcounty.gov, wcms-prod-a-cd.kingcountyhazwastewa.gov, wcms-prod-a-cm.kingcounty.gov, wcms-prod-a-id.kingcounty.gov, wcms-prod-b-cd.kingcounty.gov, wcms-prod-b-cd.kingcountyhazwastewa.gov, wcms-prod-b-cm.kingcounty.gov, wcms-prod-b-id.kingcounty.gov, wcms-prod-c-cd.kingcounty.gov, wcms-prod-c-cd.kingcountyhazwastewa.gov, wcms-prod-c-cm.kingcounty.gov, wcms-prod-c-id.kingcounty.gov, wcms-production-a-cd-backend.kingcounty.gov, wcms-production-b-cd-backend.kingcounty.gov, wcms-production-c-cd-backend.kingcounty.gov, wcms-stage-a-cd-backend.kingcounty.gov, wcms-stage-a-cd.kingcounty.gov, wcms-stage-a-cd.kingcountyhazwastewa.gov, wcms-stage-a-cm.kingcounty.gov, wcms-stage-a-id.kingcounty.gov, wcms-stage-b-cd-backend.kingcounty.gov, wcms-stage-b-cd.kingcounty.gov, wcms-stage-b-cd.kingcountyhazwastewa.gov, wcms-stage-b-cm.kingcounty.gov, wcms-stage-b-id.kingcounty.gov, wcms-stage-c-cd-backend.kingcounty.gov, wcms-stage-c-cd.kingcounty.gov, wcms-stage-c-cd.kingcountyhazwastewa.gov, wcms-stage-c-cm.kingcounty.gov, wcms-stage-c-id.kingcounty.gov, wcms-stage-cd.kingcounty.gov, wcms-stage-cm.kingcounty.gov, wcms-stage-id.kingcounty.gov, wcms-test-a-cd-backend.kingcounty.gov, wcms-test-a-cd.kingcounty.gov, wcms-test-a-cd.kingcountyhazwastewa.gov, wcms-test-a-cm.kingcounty.gov, wcms-test-a-id.kingcounty.gov, wcms-test-b-cd-backend.kingcounty.gov, wcms-test-b-cd.kingcounty.gov, wcms-test-b-cd.kingcountyhazwastewa.gov, wcms-test-b-cm.kingcounty.gov, wcms-test-b-id.kingcounty.gov, wcms-test-c-cd-backend.kingcounty.gov, wcms-test-c-cd.kingcounty.gov, wcms-test-c-cd.kingcountyhazwastewa.gov, wcms-test-c-cm.kingcounty.gov, wcms-test-c-id.kingcounty.gov, wcms-test-cd.kingcounty.gov, wcms-test-cm.kingcounty.gov, wcms-test-id.kingcounty.gov, www.kingcounty.com, www.kingcounty.gov, www.kingcountyhazwastewa.gov

Certificate Authority Authorization (CAA)

The serving CA (Sectigo Limited) is not among the authorities this domain's CAA records authorize (amazon.com, comodo.com, digicert.com, globalsign.com, letsencrypt.org, symantec.com). This can indicate a misconfiguration or an unexpected issuance.

This certificate has been served since Jul 27, 2026.

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TLS certificate

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