SSL Certificate: zettelkasten.de

đŸŸĸ Valid Certificate
Common Namezettelkasten.de
IssuerLet's Encrypt
Issuer CNE8
Valid FromMar 22 07:58:45 2026 GMT
Valid UntilJun 20 07:58:44 2026 GMT (76 days left)
Serial Number06CBE8BA6070E52CBAAECA4E4604D2A05AEC
🌐 Subject Alternative Names (2)
â„šī¸ About SSL Certificates

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

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