SSL Certificate: jankratochvil.net

đŸŸĸ Valid Certificate
Common Namejankratochvil.net
IssuerLet's Encrypt
Issuer CNR13
Valid FromFeb 15 07:17:44 2026 GMT
Valid UntilMay 16 07:17:43 2026 GMT (39 days left)
Serial Number0544FAE630493F15635AE3A7FB5B16B7794A
🌐 Subject Alternative Names (1)
â„šī¸ About SSL Certificates

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

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