SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
siegener-kreisbahn.de
SSL/TLS Certificate
SSL/TLS Certificate for siegener-kreisbahn.de
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- ksw-siegen.de
- Valid from
- Apr 1, 2026
- Valid until
- Oct 16, 2026 (expired 3 days ago)
- Public key
- RSA 2048-bit
- Serial
- 8F580659AFEA6E5A06F5A60638323E62
- SHA-256 fingerprint
- B3:6C:A9:DF:7B:EB:3D:0D:F8:CC:D9:7D:F4:E8:5E:1C:7E:A6:6E:CD:F5:F2:42:1B:6F:43:68:3D:87:B8:E1:D3
- 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.
This certificate has been served since Oct 7, 2026.
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TLS certificate
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