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 cemf.ch
Expiring soon- Issued by (CA)
- Let's Encrypt
- Subject
- cemf.ch
- Valid from
- May 13, 2026
- Valid until
- Aug 11, 2026 (20 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05AEF8EBC4A3DA95C52B32E3B43C93A26566
- SHA-256 fingerprint
- 5A:63:E2:B1:E9:13:A3:DA:59:47:48:71:3A:BC:CF:89:B3:13:9B:B6:2E:2B:0E:54:C2:64:D3:9B:15:DB:89:F5
- Chain
- R13 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.