SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
colmex.pl
SSL/TLS Certificate
SSL/TLS Certificate for colmex.pl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- colmex.pl
- Valid from
- Oct 7, 2025
- Valid until
- Oct 7, 2026 (78 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 144E1EB8CFEE81C346C24AE7F1DFEAA3
- SHA-256 fingerprint
- 88:28:48:6B:C2:E3:D3:F1:82:71:9F:FC:A7:4B:1C:54:EE:FD:96:4F:05:0E:81:5F:EA:50:AE:B3:A3:76:1A:C0
- 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.