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 ocsa.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- ocsa.ch
- Valid from
- Jun 5, 2026
- Valid until
- Sep 3, 2026 (44 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06C9E079692FCD66C4A7464EEA5B38B26D99
- SHA-256 fingerprint
- 5B:99:26:AB:43:6C:5D:A6:27:32:69:E2:21:0B:91:E5:56:36:40:5D:E4:35:76:40:8C:5B:E7:A7:5F:4E:6A:05
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.