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 expodata.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
expodata.cz
Valid from
Jun 12, 2026
Valid until
Sep 10, 2026 (51 days remaining)
Public key
RSA 2048-bit
Serial
060D145FDBA3F59D41B24C33644D22CE1D57
SHA-256 fingerprint
75:93:E5:04:79:57:20:8C:C7:66:E4:3F:EA:7F:94:98:E4:D2:A7:69:1B:EA:9A:BE:BD:A2:A0:E9:FA:9D:49:79
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
expodata.cz, www.expodata.cz

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 20, 2026.