Answer: Amazon Route 53

## Explanation Amazon Route 53 is AWS's highly available and scalable Domain Name System (DNS) web service. It is specifically designed to provide: - **High Availability**: Route 53 uses a global network of DNS servers across multiple AWS regions - **Scalability**: Automatically scales to handle large volumes of DNS queries - **Reliability**: Provides 100% availability SLA - **DNS Management**: Full DNS service including domain registration, DNS routing, and health checking **Why other options are incorrect:** - **Amazon Lightsail**: Simplified virtual private servers, not a DNS service - **AWS Amplify Hosting**: Static web hosting service for web applications - **Amazon S3**: Object storage service, not designed for DNS management Route 53 is the correct choice for DNS requirements in AWS workloads.

Author: Ritesh Yadav