Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service. You can use Route 53 to perform three main functions in any combination: domain registration, DNS routing, and health checking.
and this guide, which involves creating an alias on Route 53, adding a record for the subdomain, then copying the name servers over.
Using AWS Route 53. From the guide:
and this guide, which involves creating an alias on Route 53, adding a record for the subdomain, then copying the name servers over.