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 ruhrweb.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.ruhrweb.de
Valid from
Mar 31, 2026
Valid until
Oct 11, 2026 (82 days remaining)
Public key
RSA 2048-bit
Serial
0C2CF953E72CCC8C55C693143C1B8735
SHA-256 fingerprint
56:EC:7D:CE:1B:83:08:34:5F:25:EF:06:B2:95:B2:D7:05:11:B7:2A:56:3C:76:2F:2D:B9:1D:70:3F:BE:FA:D2
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.ruhrweb.de, ruhrweb.de

Certificate Authority Authorization (CAA)

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