AWS Basics · Module 07

DNS with Amazon Route 53

Manage DNS records, routing, health checks, and domain delegation with Route 53.

Practice interactively →

What you will learn

• Explain hosted zones, DNS records, and TTL caching
• Choose CNAME or Alias, including at the zone apex
• Design simple, weighted, and latency routing
• Use health checks and advanced routing safely
• Delegate a third-party registered domain to Route 53

Lessons

1. DNS Records and TTL

   Understand hosted zones, record types, and resolver caching.

2. CNAME and Alias

   Choose CNAME or Alias for hostnames and the zone apex.

3. Simple, Weighted, and Latency Routing

   Choose policies for traffic distribution and latency.

4. Health Checks and Advanced Routing

   Design failover, location routing, and multi-value answers.

5. Registrar and DNS Delegation

   Delegate a third-party domain to Route 53 with NS records.