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 solec-kujawski24.pl

Hostname mismatch
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.tld.pl
Valid from
Jan 9, 2026
Valid until
Jan 9, 2027 (172 days remaining)
Public key
RSA 4096-bit
Serial
6DF3847444CBCE18088BDBE9A9B1D7C9
SHA-256 fingerprint
94:B0:65:19:03:AE:70:12:59:5C:78:69:8B:C3:52:22:FC:52:7B:EA:95:F4:5B:93:13:01:A4:78:91:08:40:C3
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
*.tld.pl, tld.pl

Certificate Authority Authorization (CAA)

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