Route 53 – AWS’s DNS service.

Amazon Route 53 is a highly available and scalable DNS web service with integrated domain registration capabilities. It supports multiple routing policies including latency-based, geolocation, and weighted round-robin. Route 53 features health checking, DNS failover, and traffic flow visual editor. The service includes DNSSEC support, private DNS for VPCs, and integrated certificate management through ACM. It provides both public and private hosted zones and supports multi-region DNS endpoints.