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SSL Certificate: auth-ext.estar.jp

🟢 Valid Certificate
Common Nameestar.jp
IssuerGoogle Trust Services
Issuer CNWR3
Valid FromMay 2 07:44:02 2026 GMT
Valid UntilJul 31 08:38:15 2026 GMT (84 days left)
Serial Number97231AAE0CEDA9D61283EDBBCBA308EF
ℹ️ About SSL Certificates

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

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