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 koppp.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.koppp.de
Valid from
Nov 2, 2025
Valid until
Nov 16, 2026 (118 days remaining)
Public key
RSA 2048-bit
Serial
FDBB1D21565742BA23A9537A3270C774
SHA-256 fingerprint
7D:89:0B:70:29:54:07:6A:3A:EC:B7:67:B7:9F:37:53:6D:30:8D:5F:A3:42:C1:D3:72:0E:2E:38:35:A8:BA:9F
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.koppp.de, koppp.de

Certificate Authority Authorization (CAA)

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