SSL/TLS Certificate Lookup

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

kingscollegelondon.co.uk

SSL/TLS Certificate

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SSL/TLS Certificate for kingscollegelondon.co.uk

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.kcl.ac.uk
Valid from
Jun 9, 2026
Valid until
Dec 24, 2026 (157 days remaining)
Public key
RSA 2048-bit
Serial
FF93FA2358B932A2149518968B853C30
SHA-256 fingerprint
91:3E:04:1C:6F:4F:28:16:81:25:59:65:39:56:A7:57:D1:EF:35:79:5F:7E:3A:F8:CD:A3:7A:6C:54:8C:24:E5
Chain
Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.kcl.ac.uk, kcl.ac.uk

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.