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 lascene.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
lascene.cz
Valid from
Jun 25, 2026
Valid until
Sep 23, 2026 (65 days remaining)
Public key
RSA 2048-bit
Serial
057975CBA0645C22834F6F47F76AADDF8345
SHA-256 fingerprint
8E:AC:65:37:42:E1:09:20:3E:57:42:3B:0B:AA:A2:6D:E0:8D:B8:12:54:1F:01:5E:14:2F:91:95:E5:26:18:FD
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
lascene.cz, www.lascene.cz

Certificate Authority Authorization (CAA)

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