The current configuration only allows for the specific format my-db-identifier.random-chars.aws-region.rds.amazonaws.com / my-db-identifier.random-chars.rds.aws-region.amazonaws.com.cn. We would like the ability to use any dns name to allow intra-cloud or hybrid cloud scenarios for the ability to use a private/internal route to the RDS instance so that we do not have to use the public route for monitoring.