Answer: Amazon Route 53

Route 53 is a domain name system service by AWS. When a Disaster does occur, it can be easy to switch to secondary sites using the Route53 service. The AWS Documentation additionally mentions the following: Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service. It is designed to give developers and businesses an extremely reliable and low-latency way to route end users to Internet applications by translating domain names into IP addresses. In disaster recovery scenarios, Route 53's ability to perform health checks and automatically reroute traffic from failed systems to healthy ones makes it indispensable for maintaining application availability.

Author: Ritesh Yadav