When you have mulitiple AWS accounts and a specific privated DNS name that you want to resolve from a VPC in a different account you need to allow the hosted zone to be resolved from a differnet acccount. For example, you have a hosted zone in account A with several types of records and you want a DNS query for that zone get resovled from a specific VPC in account B. To … [Read more...] about How to Resolve Route 53 Privated Hosted zone from a VPC in a different AWS account