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 sinok.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sinok.fr
- Valid from
- May 31, 2026
- Valid until
- Aug 29, 2026 (38 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06DF061FA83BFB61945A95DD13E6B5393E64
- SHA-256 fingerprint
- 66:AE:44:62:E0:F3:80:37:0F:2E:9C:5D:87:B1:59:7A:39:06:E4:9C:CA:1C:4C:54:C5:E3:0C:C2:3F:C6:64:1B
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.