SSL Certificate: kanto-sttf.jp
🟢 Valid Certificate
| Common Name | www.kanto-sttf.jp |
|---|---|
| Issuer | Let's Encrypt |
| Issuer CN | YR2 |
| Valid From | Jun 11 09:59:46 2026 GMT |
| Valid Until | Sep 9 09:59:45 2026 GMT (50 days left) |
| Serial Number | 0547EECF56D5A42EE0D67527F0D356094A83 |
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates
SSL (Secure Sockets Layer) certificates encrypt data between your browser and kanto-sttf.jp's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Kanto-sttf website.
Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.
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