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 59 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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.