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 crisb.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- crisb.ch
- Valid from
- Jul 13, 2026
- Valid until
- Oct 11, 2026 (82 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 0542EE953416F56CFAF190118C609A287B0F
- SHA-256 fingerprint
- 1E:13:F5:5E:D6:77:8B:2A:C9:98:84:23:09:03:ED:47:79:99:78:55:03:FC:B9:60:7B:15:52:0A:EB:7F:18:92
- 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.