SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

lacina.org

SSL/TLS Certificate

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SSL/TLS Certificate for lacina.org

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
server1.bonicom.cz
Valid from
Jul 1, 2026
Valid until
Sep 29, 2026 (69 days remaining)
Public key
RSA 4096-bit
Serial
05FB837FD3F19675FF24AD0C2CA11AA32A89
SHA-256 fingerprint
00:F0:95:3E:DA:9C:85:B5:86:2F:F1:1C:F4:30:3F:0D:A4:09:AF:A2:5C:4E:6B:32:A2:2C:FF:A0:D5:15:59:84
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
server1.bonicom.cz

Certificate Authority Authorization (CAA)

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