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 azdum.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
azdum.cz
Valid from
Jun 15, 2026
Valid until
Sep 13, 2026 (54 days remaining)
Public key
EC 256-bit
Serial
06D55B347095F65727A77578291289320E52
SHA-256 fingerprint
76:D2:52:12:9C:8F:ED:C5:F0:53:23:62:84:93:CD:E9:97:4E:4C:7E:F5:5A:68:14:98:AD:D9:B1:22:8C:0D:D0
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.azdum.cz, azdum.cz

Certificate Authority Authorization (CAA)

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