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 lear.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- lear.cz
- Valid from
- Jun 6, 2026
- Valid until
- Sep 4, 2026 (45 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 068B5005C4E95985EC7358E435CFC4F67DF8
- SHA-256 fingerprint
- 35:47:C1:CC:87:82:E1:CE:36:55:22:F9:65:62:A6:74:BB:7E:62:33:8A:74:C4:49:04:6D:BB:65:70:B8:4F:AD
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.