SSL/TLS Certificate Lookup

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

kazmierz.pl

SSL/TLS Certificate

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SSL/TLS Certificate for kazmierz.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.kazmierz.pl
Valid from
Jun 8, 2026
Valid until
Dec 24, 2026 (155 days remaining)
Public key
RSA 4096-bit
Serial
3D3E054BC1ED9085B1F2F659AE980881
SHA-256 fingerprint
DE:53:70:B8:45:19:B8:77:42:D6:BF:C0:EB:C7:38:29:B8:F8:E1:7D:7B:CC:71:A6:35:09:39:78:7F:E0:CF:B4
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Subject Alternative Names (2)
*.kazmierz.pl, kazmierz.pl

Certificate Authority Authorization (CAA)

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