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 csd.pl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.csd.pl
- Valid from
- Oct 25, 2025
- Valid until
- Oct 25, 2026 (96 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 0BBAF33031EC01D3E6D25B928960C2BF
- SHA-256 fingerprint
- 2C:8C:6F:91:FE:0D:C0:E7:F0:79:11:07:04:B9:D4:12:B1:B5:38:37:A4:5A:1F:27:91:90:74:D4:CA:D4:EC:8E
- Chain
- Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.