SSL/TLS Certificate Lookup

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

kukulek51.pl

SSL/TLS Certificate

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SSL/TLS Certificate for kukulek51.pl

Valid
Issued by (CA)
Sectigo Limited
Subject
kukulek51.pl
Valid from
Feb 26, 2026
Valid until
Mar 4, 2027 (226 days remaining)
Public key
RSA 2048-bit
Serial
BD3DD8A409D8F8F3E5762C9E409E3C66
SHA-256 fingerprint
F7:03:67:86:8B:56:0C:B3:C9:C0:62:7F:FF:89:6D:40:AF:D8:4A:BE:81:82:A0:17:2A:7A:80:59:9D:58:56:17
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
kukulek51.pl, www.kukulek51.pl

Certificate Authority Authorization (CAA)

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