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 csa.ir

Expired
Issued by (CA)
Let's Encrypt
Subject
*.csa.ir
Valid from
Feb 22, 2026
Valid until
May 23, 2026 (expired 60 days ago)
Public key
EC 384-bit
Serial
05AB3B8E8C77248A030880FA0A549EAA24D1
SHA-256 fingerprint
2C:FC:00:49:2E:6D:CA:3E:1D:31:BA:05:60:DA:FA:60:DA:98:69:9E:AB:D9:62:E7:92:E8:AD:34:F3:A9:02:63
Chain
E7 → ISRG Root X1
Subject Alternative Names (2)
*.csa.ir, csa.ir

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 21, 2026.