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 ferni.cz
Valid- Issued by (CA)
- Google Trust Services
- Subject
- ferni.cz
- Valid from
- Jul 7, 2026
- Valid until
- Oct 5, 2026 (76 days remaining)
- Public key
- EC 256-bit
- Serial
- 553E6842F674D6580E81CBF84108D99D
- SHA-256 fingerprint
- 1B:21:95:6B:B3:68:76:E9:AB:23:08:74:8E:28:53:4C:70:EB:AF:6E:C6:EB:72:E4:D9:75:C6:FF:7A:28:76:77
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.