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 omdc.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- omdc.cz
- Valid from
- May 24, 2026
- Valid until
- Aug 22, 2026 (32 days remaining)
- Public key
- EC 256-bit
- Serial
- 05BBE170AE9CCCBA8593E8A760CDF91FC647
- SHA-256 fingerprint
- 28:BA:1C:2E:9D:9D:F5:EF:31:1C:67:5A:89:9A:79:50:F3:F0:B3:E3:28:9D:93:D2:22:CB:F6:D7:EF:11:29:6D
- Chain
- E8 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.