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 ozvuk.net

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
lemur.net22.cz
Valid from
Jun 15, 2026
Valid until
Sep 13, 2026 (53 days remaining)
Public key
RSA 2048-bit
Serial
0517F31DCCE6F3319A514699758CE6B5B8CC
SHA-256 fingerprint
57:F8:F0:A4:F1:DE:8E:8E:8C:05:77:93:E4:2F:70:40:57:3A:6F:C9:5D:29:45:AF:8B:B7:18:EC:A2:13:A4:D6
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
lemur.net22.cz

Certificate Authority Authorization (CAA)

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