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 check. If you choose to use Route 53 for all three functions, perform the steps in this order:
1. Register domain names
Your site needs a name, such as example.com. Route 53 allows you to register a name for your website or web application, known as a domain name.
2. Route Internet traffic to your domain resources
When a user opens a web browser and informs their domain name (example.com) or subdomain name (acme.example.com) in the address bar, Route 53 helps connect the browser to the website or web application.
3. Check the health of your resources (Health Checks)
Route 53 sends automatic requests over the Internet to a resource, such as a web server, to verify that it is accessible, available, and functional. You can also choose to receive notifications when a feature becomes unavailable and choose to divert Internet traffic from unhealthy resources.