Which AWS service provides domain registration, DNS routing, and service health checks?

Explanations:

AWS Direct Connect is a service that provides dedicated network connections from on-premises to AWS, not domain registration or DNS routing.

Amazon Route 53 is a scalable DNS and domain registration service that provides DNS routing, domain registration, and health checks for resources.

Amazon CloudFront is a content delivery network (CDN) that delivers data, videos, applications, and APIs to users globally, not a DNS or domain service.

Amazon API Gateway is a service for creating, publishing, and managing APIs, and does not offer domain registration, DNS routing, or health checks.