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