SSL/TLS Certificate Lookup

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

samkinsley.com

SSL/TLS Certificate

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SSL/TLS Certificate for samkinsley.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.geocritbot.uk
Valid from
May 29, 2026
Valid until
Aug 27, 2026 (37 days remaining)
Public key
RSA 2048-bit
Serial
05226FCEB9EB3A9E76E97EABC1EBD4F33CB7
SHA-256 fingerprint
CF:B0:D4:59:FD:1D:D2:21:AE:C1:B6:0A:42:5D:1D:92:96:77:7B:FC:D4:33:60:57:C2:C2:A8:2C:02:86:5A:96
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (4)
*.geocritbot.uk, *.samkinsley.com, geocritbot.uk, samkinsley.com

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (comodoca.com, letsencrypt.org).