What Is Amazon Route 53?

Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service. You can use Route 53 to perform three main functions in any combination: domain registration, DNS routing, and health checking. If you choose to use Route 53 for all three functions, perform the steps in this order:

1. Register domain names

Your website needs a name, such as example.com. Route 53 lets you register a name for your website or web application, known as a domain name.

For an overview, see How Domain Registration Works.
For a procedure, see Registering a New Domain.
For a tutorial that takes you through registering a domain and creating a simple website in an Amazon S3 bucket, see Getting Started with Amazon Route 53.

2. Route internet traffic to the resources for your domain

When a user opens a web browser and enters your domain name (example.com) or subdomain name (acme.example.com) in the address bar, Route 53 helps connect the browser with your website or web application.

For an overview, see How Internet Traffic Is Routed to Your Website or Web Application.
For procedures, see Configuring Amazon Route 53 as Your DNS Service.

3. Check the health of your resources

Route 53 sends automated requests over the internet to a resource, such as a web server, to verify that it's reachable, available, and functional. You also can choose to receive notifications when a resource becomes unavailable and choose to route internet traffic away from unhealthy resources.

For an overview, see How Amazon Route 53 Checks the Health of Your Resources.
For procedures, see Creating Amazon Route 53 Health Checks and Configuring DNS Failover.

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