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 loook.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- loook.fr
- Valid from
- Jul 2, 2026
- Valid until
- Sep 30, 2026 (70 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053A250893366C7DDBDCC84FBC052C45C34D
- SHA-256 fingerprint
- 58:36:08:29:A4:F9:4B:47:01:90:C1:0E:F6:F8:4A:98:A7:2F:4A:AF:CC:75:4E:8F:46:74:A7:46:10:9A:D1:74
- 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.