SSL/TLS Certificate Lookup

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

klomnice.pl

SSL/TLS Certificate

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SSL/TLS Certificate for klomnice.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.klomnice.pl
Valid from
Jul 14, 2026
Valid until
Jan 29, 2027 (191 days remaining)
Public key
RSA 4096-bit
Serial
5123C887A1539A926B695DC98D2069B4
SHA-256 fingerprint
08:4A:03:88:80:C8:66:5F:66:3F:D5:7D:AB:D2:47:72:2A:FD:F9:CF:57:00:C3:37:17:25:0D:B6:FC:DE:6D:7E
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
*.klomnice.pl, klomnice.pl

Certificate Authority Authorization (CAA)

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