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SSL Certificate: canvas.du.io

🟡 Expiring Soon (24 days)
Common Namedu.io
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 21 20:04:36 2026 GMT
Valid UntilJun 19 20:04:35 2026 GMT (24 days left)
Serial Number05E0CCB0BC0811DB5110E625CEDDEFBA62F1
🌐 Subject Alternative Names (2)
*.du.iodu.io
ℹ️ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and canvas.du.io'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.