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SSL Certificate: goukaku.ne.jp

🟢 Valid Certificate
Common Namewww.goukaku.ne.jp
Organization有限会社 日本情報処理検定協会
IssuerCybertrust Japan Co., Ltd.
Issuer CNCybertrust Japan SureServer CA G4
Valid FromOct 10 05:24:49 2025 GMT
Valid UntilOct 14 14:59:00 2026 GMT (141 days left)
Serial Number65047A68B19A1421700766348972C7410578254B
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

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

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