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 prehrady.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
prehrady.cz
Valid from
Jul 21, 2026
Valid until
Oct 19, 2026 (89 days remaining)
Public key
RSA 2048-bit
Serial
058A387CB56D538EC260DB55E6C84D2382A4
SHA-256 fingerprint
08:6B:29:CF:C0:03:EF:A1:2A:76:9F:09:70:68:1C:FD:18:BC:48:4E:6B:F8:B7:C7:4F:14:38:92:29:6D:64:40
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
prehrady.cz, www.prehrady.cz

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.