SSL Certificate: wikimedia.de

đŸŸĸ Valid Certificate
Common Namewebserver.wikimedia.de
IssuerLet's Encrypt
Issuer CNR12
Valid FromFeb 24 22:58:59 2026 GMT
Valid UntilMay 25 22:58:58 2026 GMT (49 days left)
Serial Number05A715FD37017C1819085F6F027C6CAC3B30
â„šī¸ About SSL Certificates

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

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