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 pssi.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.pssi.cz
- Valid from
- Jul 1, 2026
- Valid until
- Sep 29, 2026 (69 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0585BBF805F92BD476B58981E20B414BB5FE
- SHA-256 fingerprint
- 01:4E:BE:DE:23:76:CE:14:A5:10:7C:1A:A8:50:1B:13:B6:23:BE:1E:71:D5:E7:D8:F8:85:65:C6:38:FF:67:90
- 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.