Understanding Private Hosted Zones in AWS Route 53
A private hosted zone is a container that can respond to internal DNS queries for a domain or its subdomains and it can be attached to one or more VPCs.…
Transfer a Domain Name Between AWS Accounts
You can transfer domains registered with Amazon Route53 from one AWS account to another AWS account that you own using AWS CLI. This can also be done via API or contacting AWS support but we found using the CLI the quickest and easiest to accomplish.