SSL/TLS Certificate Lookup

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

okaydiagnostic.com

SSL/TLS Certificate

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SSL/TLS Certificate for okaydiagnostic.com

Expired
Issued by (CA)
Sectigo Limited
Subject
okaydiagnostic.com
Valid from
Mar 28, 2025
Valid until
Mar 28, 2026 (expired 115 days ago)
Public key
RSA 2048-bit
Serial
089AE6EDA1DF0AAFE71EB4B0A8E94964
SHA-256 fingerprint
FF:DB:B7:48:AB:25:D3:FC:E6:06:41:3D:90:2A:54:F3:9F:CF:82:4F:29:34:E8:9F:99:40:2F:01:4D:87:43:66
Chain
Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
Subject Alternative Names (2)
okaydiagnostic.com, www.okaydiagnostic.com

Certificate Authority Authorization (CAA)

The serving CA (Sectigo Limited) is authorized by this domain's CAA records (globalsign.com, letsencrypt.org, pki.goog, sectigo.com).