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SSL Certificate: leonardo.de

🟢 Valid Certificate
Common Nameleonardo.de
IssuerLet's Encrypt
Issuer CNE7
Valid FromApr 5 03:06:35 2026 GMT
Valid UntilJul 4 03:06:34 2026 GMT (38 days left)
Serial Number06E79ABD05A433F85CEF7D2E0E2BCA59414F
🌐 Subject Alternative Names (1)
ℹ️ About SSL Certificates

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

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