Skip to content

SSL Certificate: wikipedia.at

🟢 Valid Certificate
Common Namewikipedia.at
IssuerLet's Encrypt
Issuer CNR13
Valid FromMar 27 06:20:10 2026 GMT
Valid UntilJun 25 06:20:09 2026 GMT (40 days left)
Serial Number05EFAA75B3138428770B61950B4E445D1B24
🌐 Subject Alternative Names (2)
ℹ️ About SSL Certificates

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

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