Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.Route 53 perform three main functions in any combination: domain registration, DNS routing, and health checking
How Domain Registration Works?
After this you need to complete formality of completing the paper work. Once the registration is complete, Route 53 automatically creates a public hosted zone that has the same name as the domain.
To route traffic to your resources, create records, also known as resource record sets, in your hosted zone. Each record includes information about how you want to route traffic for your domain