SSL Certificate: testo.de

đŸŸĸ Valid Certificate
Common Namewww.testo.de
IssuerLet's Encrypt
Issuer CNR13
Valid FromFeb 5 14:23:07 2026 GMT
Valid UntilMay 6 14:23:06 2026 GMT (33 days left)
Serial Number067D51BB15FAEEE33E12C70D4DD050F27D53
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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