Which AWS service helps manage domain registration and DNS routing?

Amazon Route 53 is the correct answer as it is specifically designed to handle domain registration and DNS routing. It acts as a highly available and scalable Domain Name System (DNS) web service that allows users to manage their domain names, routing internet traffic to resources reliably and efficiently.

With Route 53, users can register new domain names, configure DNS settings like record sets (A, CNAME, MX, etc.), and route user requests to various AWS services such as Amazon S3, Amazon EC2, or even external servers. It also offers health checks and DNS failover features, ensuring that traffic is directed only to healthy endpoints, which enhances the reliability and availability of applications.

The other services listed do not serve the primary function of domain registration and DNS management. For instance, Amazon CloudFront is a content delivery network (CDN) that accelerates the delivery of web content by caching it at locations close to users, but it does not handle domain registration or DNS routing. Amazon S3 is primarily a storage service designed to store and retrieve any amount of data, while AWS Direct Connect is a network service that provides a dedicated connection between the user's on-premises network and AWS. Therefore, while each option has its own specific functionality within the