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SSL Certificate: canvas.du.edu

🟢 Valid Certificate
Common Namecanvas.du.edu
IssuerLet's Encrypt
Issuer CNR13
Valid FromApr 26 00:55:22 2026 GMT
Valid UntilJul 25 00:55:21 2026 GMT (55 days left)
Serial Number0606E4B4841B978FFEFAABD6EA9D856DD4DD
🌐 Subject Alternative Names (1)
ℹ️ About SSL Certificates

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

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