Basics

Core Route 53 concepts: hosted zones, record types (A, CNAME, ALIAS), TTL, and routing policies.

📄️What Is AWS Route 53?

Understand hosted zones, DNS record types (A, CNAME, ALIAS), TTL, and how to route your domain to EC2, CloudFront, or a load balancer.

Create a hosted zone, add an A record for an EC2 Elastic IP and a CNAME for www, then verify DNS propagation with dig.