Fixing SSL Certificate Errors for Root Domains on Azure CDN

Configuring custom domains for static websites can be smooth until you encounter secure connection errors on your naked root domain. Many developers successfully secure their www subdomain only to find that visitors accessing the site without the www prefix face intimidating security warnings. This text-only course provides a clear, step-by-step path to understanding why these certificate mismatches happen on Azure CDN and how to resolve them permanently. You will start with the fundamental concepts of DNS records, SSL/TLS handshakes, and how modern content delivery networks route traffic. From there, you will learn how to configure DNS zone apex mapping, set up proper SSL certificates for both root and subdomains, and implement secure HTTPS redirection rules. What you'll learn: Understand the root cause of SSL certificate mismatches on naked domains; Configure DNS zone apex routing using Azure DNS alias records; Set up and manage SSL certificates for both root and www subdomains; Create URL rewrite and redirection rules within Azure CDN; Apply modern security headers and best practices for static site hosting; Troubleshoot common CDN propagation and certificate validation issues. This course begins with essential terminology and structural overviews before guiding you through the practical configuration steps. It is designed specifically for beginners, web developers, and cloud administrators looking to secure their web presence without needing prior advanced networking experience. Equip yourself with the knowledge to deliver a secure, professional, and error-free entry point for your website visitors.