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 kosel.ch
Hostname mismatch- Issued by (CA)
- Sectigo Limited
- Subject
- kosel.com
- Valid from
- Mar 7, 2026
- Valid until
- Apr 6, 2027 (259 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 063BD46A801563DB24E29ABDDE49517D
- SHA-256 fingerprint
- 74:77:38:6C:9D:38:27:DE:21:A8:90:1D:F7:FE:36:4E:7F:FD:E0:19:B4:02:37:B0:79:51:CA:73:B9:B1:F2:C4
- 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.