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SSL Certificate: tu-clausthal.de

🟢 Valid Certificate
Common Namewww.tu-clausthal.de
IssuerLet's Encrypt
Issuer CNR13
Valid FromMay 22 05:26:25 2026 GMT
Valid UntilAug 20 05:26:24 2026 GMT (33 days left)
Serial Number062707905E1CBBCEA09C25A5EC283BF6588E
ℹ️ About SSL Certificates

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

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