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 komornik-kluczbork.com

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
komornik-kluczbork.pl
Valid from
Oct 20, 2026
Valid until
Jan 18, 2027 (77 days remaining)
Public key
RSA 4096-bit
Serial
06D7BB48CFFC57ECACBF4161EBF09120FDE3
SHA-256 fingerprint
D6:78:07:A1:36:C2:82:CA:63:B6:9B:CC:41:32:09:D9:31:CF:30:02:43:B1:9F:07:B1:52:BB:86:F9:E0:A7:99
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
komornik-kluczbork.pl, www.komornik-kluczbork.pl

Certificate Authority Authorization (CAA)

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

We've observed 1 previous certificate for this host. This certificate has been served since Oct 30, 2026.

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TLS certificate

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