- Highly available, scalable, fully managed, and authoritative DNS service
- Authoritative means you can create, update, and manage your own DNS records
- Functions as both a DNS service and a Domain Name Registrar
- Supports health checks to monitor the availability and performance of endpoints
- The only AWS service with a 100% availability SLA
- Name comes from port 53, the standard port used for DNS
Example Flow
- A client queries Route 53 for
example.com
- Route 53 returns the public IP address (e.g.,
54.22.33.44)
- The client connects to the resource (such as an EC2 instance) using that IP