Call Domain name multi account via Transit gateway

Question

I have multi account connected via transit gateway I need to private domain to call between 2 EC2 
Pleas advise design and configure

Thank in advance

![Enter image description here](/media/postImages/original/IMQwvWRorATyu_NyZni_y2-A)

Answer

You can associate the private hosted zone to VPCs in other accounts with CLI.
By association, mutual name resolution is possible.

https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/hosted-zone-private-associate-vpcs-different-accounts.html

https://docs.aws.amazon.com/cli/latest/reference/route53/create-vpc-association-authorization.html

Answer

Have another method to DNS private domain ? Not AWS CLI

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