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 sefit.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sefit.ch
- Valid from
- Jun 13, 2026
- Valid until
- Sep 11, 2026 (52 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 066CDC465EC1A61166DE409D1DF25064B574
- SHA-256 fingerprint
- A2:12:EF:15:C2:5D:AE:37:83:39:33:65:33:3E:39:AE:B1:3B:12:77:F1:81:32:5B:09:D0:7D:08:EB:A8:D0:60
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.