SSL Certificate: jfn.co.jp

đŸŸĸ Valid Certificate
Common Namejfn.co.jp
IssuerLet's Encrypt
Issuer CNR13
Valid FromFeb 25 06:29:28 2026 GMT
Valid UntilMay 26 06:29:27 2026 GMT (49 days left)
Serial Number0520530B9B1D018A95CBB98DEA3BA7933BEB
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and jfn.co.jp's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Jfn website.

Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.