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 sp-radymno.pl

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.sp-radymno.pl
Valid from
Sep 18, 2025
Valid until
Sep 18, 2026 (59 days remaining)
Public key
RSA 4096-bit
Serial
7D9A187A57FA5C520A1B6A1412E370BA
SHA-256 fingerprint
CC:5B:8F:94:EF:98:53:7A:5F:9E:72:D5:7B:B5:1F:C7:C4:C6:FA:7F:C3:85:6F:9D:95:8F:A4:7C:BC:AA:F2:EC
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Subject Alternative Names (2)
*.sp-radymno.pl, sp-radymno.pl

Certificate Authority Authorization (CAA)

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