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 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
Subject Alternative Names (2)
cn-materials.com, www.cn-materials.com

Certificate Authority Authorization (CAA)

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