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 probudpsb.pl

Hostname mismatch
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.lh.pl
Valid from
Dec 10, 2025
Valid until
Dec 10, 2026 (142 days remaining)
Public key
RSA 2048-bit
Serial
5AAAD9A8AD54DFE718E53F590070EA3F
SHA-256 fingerprint
D8:0F:8D:EB:90:E0:B5:CB:B1:AE:F4:A2:06:3B:12:66:FA:32:39:A5:F1:81:5B:07:E8:64:0B:9F:83:6B:8A:DE
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Subject Alternative Names (2)
*.lh.pl, lh.pl

Certificate Authority Authorization (CAA)

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