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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.