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 ptice.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- ptice.cz
- Valid from
- Jul 13, 2026
- Valid until
- Oct 11, 2026 (81 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05F3FB313A7A442740D5412DC17DF846BF49
- SHA-256 fingerprint
- 47:D6:32:4D:43:B3:8D:7A:4B:AC:9D:13:49:F9:5D:EB:BD:41:5B:0B:78:AA:00:42:14:6C:50:D1:D3:04:14:83
- 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.