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 sfas.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- weglow.fr
- Valid from
- Jul 16, 2026
- Valid until
- Oct 14, 2026 (85 days remaining)
- Public key
- EC 256-bit
- Serial
- 05A86AFD571C31CF57866B7C8AC2B0EFE6F3
- SHA-256 fingerprint
- A7:E1:39:45:A5:33:AB:2D:C6:2B:96:BE:C3:79:0A:CB:DD:0F:74:25:B6:D5:95:50:6A:35:64:23:B7:26:4F:1D
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, pki.goog).