With the integration of private DNS zone configuration within Azure Database for PostgreSQL - Flexible Server, you can easily establish connectivity between two Azure Database for PostgreSQL - Flexible Servers or from customer applications using a flexible server name (fully qualified domain name) within locally and globally peered virtual networks. While creating a new Azure Database for PostgreSQL - Flexible Server in a virtual network, you can also use an existing private DNS zone or create a new one. This allows you to leverage existing secure Azure infrastructure to connect to an Azure Database for PostgreSQL - Flexible Server.
Learn more.