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 tersun.fr

Valid
Issued by (CA)
Let's Encrypt
Subject
tersun.fr
Valid from
Jul 15, 2026
Valid until
Oct 13, 2026 (83 days remaining)
Public key
RSA 2048-bit
Serial
05487F771B839DC4FA8457C86CFB52406961
SHA-256 fingerprint
5C:B1:23:B8:6E:F9:8B:E0:E6:25:C3:08:DA:71:8A:3F:28:51:55:70:2F:61:25:D1:ED:68:D0:77:44:DD:51:80
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
tersun.fr

Certificate Authority Authorization (CAA)

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