SSL/TLS Certificate Lookup

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

hansnilsson.net

SSL/TLS Certificate

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SSL/TLS Certificate for hansnilsson.net

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.github.com
Valid from
Jun 12, 2026
Valid until
Sep 9, 2026 (51 days remaining)
Public key
RSA 4096-bit
Serial
1398D858E835C77C53CB931B15B43F67
SHA-256 fingerprint
6D:95:6F:11:11:0A:05:ED:94:8A:D1:FE:93:25:E8:9D:70:72:09:FD:0D:BC:53:00:E9:3D:93:8F:66:55:C4:F4
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.github.com, github.com

Certificate Authority Authorization (CAA)

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