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 elektrohartman.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
elektrohartman.cz
Valid from
Jun 25, 2026
Valid until
Sep 23, 2026 (64 days remaining)
Public key
EC 256-bit
Serial
05B37CFA36827AD6317F582F52826A73666C
SHA-256 fingerprint
5C:BD:9F:18:C9:11:E9:06:59:B7:4B:CD:C3:8F:07:CC:1F:08:63:59:B8:66:85:7F:B4:6E:E0:E0:5F:F0:2F:A8
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
elektrohartman.cz, www.elektrohartman.cz

Certificate Authority Authorization (CAA)

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