SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
eko-kalisz.pl
SSL/TLS Certificate
SSL/TLS Certificate for eko-kalisz.pl
Hostname mismatch- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.kei.pl
- Valid from
- May 7, 2026
- Valid until
- Nov 22, 2026 (124 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 67671F10C8FB6FAD7666496D0954E518
- SHA-256 fingerprint
- C8:02:F1:E8:C3:08:18:63:FC:0A:F4:16:22:66:75:DA:9F:E2:CA:17:80:FE:CB:F5:4D:4E:30:E3:0A:5C:23:68
- Chain
- Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.