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 gerio.cat

Valid
Issued by (CA)
Let's Encrypt
Subject
gerio.cat
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
RSA 4096-bit
Serial
0503830C3B523189C56642963330F9261AF3
SHA-256 fingerprint
EF:11:9F:3D:50:21:0D:EE:CC:9F:51:FC:BD:DF:F3:37:32:2E:80:44:EE:38:42:0A:AC:C6:2A:2F:42:15:D0:15
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
gerio.cat, www.gerio.cat

Certificate Authority Authorization (CAA)

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