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Amazon Route 53 DNS

April 5, 2026

Route 53 Scalable DNS

Highly available DNS web service with advanced routing.

Routing Policies

Simple          - Basic A/CNAME records
Weighted        - Traffic splitting (A/B testing)
Latency         - Lowest latency Region
Failover        - Active/passive (health checks)
Geolocation     - Country/continent routing
Geoproximity    - Distance-based (bias adjustable)
Multi-Value     - Return 8 healthy IPs

Health Checks & Monitoring

Global endpoints (any internet IP)
Calculated health (derived from origins)
Fastest route (real-time latency)
Private hosted zones (VPC only)

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