Skip to content

SSL Certificate: kojimaya.co.jp

🟢 Valid Certificate
Common Namewww.kojimaya.co.jp
IssuerLet's Encrypt
Issuer CNR13
Valid FromMay 27 07:20:41 2026 GMT
Valid UntilAug 25 07:20:40 2026 GMT (80 days left)
Serial Number05A8023F32F5165CB7DB5ADDDEEF87F63049
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

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

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