SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cn-materials.com
SSL/TLS Certificate
SSL/TLS Certificate for cn-materials.com
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- cn-materials.com
- Valid from
- Apr 3, 2026
- Valid until
- Oct 19, 2026 (90 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 7BFB6B9BBB1A23CCCF16283F6EC79F5C
- SHA-256 fingerprint
- 34:4B:10:05:E7:F7:BE:3D:4B:92:6E:95:B7:0E:79:17:86:43:62:B7:A1:2C:89:23:0A:14:34:3E:F8:2F:CA:07
- 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.