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 osonamon.cat

Valid
Issued by (CA)
Let's Encrypt
Subject
jocdosonaalmon.ccosona.cat
Valid from
Jul 20, 2026
Valid until
Oct 18, 2026 (88 days remaining)
Public key
RSA 2048-bit
Serial
05E3B5DB9F03F41239DF6CB6337093FC9964
SHA-256 fingerprint
E2:A8:0A:59:0A:77:F3:C9:77:29:FB:90:CE:ED:8A:FF:BC:6B:37:15:F7:C8:F1:2A:A8:1A:8C:C9:8A:03:B6:F5
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (3)
jocdosonaalmon.ccosona.cat, osmon.cat, osonamon.cat

Certificate Authority Authorization (CAA)

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