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 gnco.de

Valid
Issued by (CA)
Sectigo Limited
Subject
www.gnco.de
Valid from
Mar 29, 2026
Valid until
Oct 9, 2026 (80 days remaining)
Public key
RSA 2048-bit
Serial
396E1173692DF75AC74919E1AA6A9748
SHA-256 fingerprint
57:D0:73:D5:04:97:22:F7:FB:08:5C:F1:8F:07:2B:EE:45:DB:A0:BF:25:B7:C0:18:2D:B0:82:AC:FA:EB:D3:E7
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
gnco.de, www.gnco.de

Certificate Authority Authorization (CAA)

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