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Azure Private DNS

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description Azure Private DNS Overview

Similar to Route 53 Resolver Endpoints, Azure Private DNS is vital for organizations running hybrid setups within Azure. It allows private, internal DNS resolution for resources within your Virtual Network (VNet). This ensures that internal services can always find each other reliably, regardless of whether they are hosted on-premises or in Azure, maintaining strict network segmentation.

help Azure Private DNS FAQ

How do I link a Virtual Network to an Azure Private DNS Zone?

You can link your VNet to the Private DNS Zone by navigating to the "Virtual network links" tab on the DNS Zone's resource page in the Azure Portal. This allows the zone to automatically resolve custom domains for resources inside that specific VNet.

Does Azure Private DNS support conditional forwarding?

Azure Private DNS Zones are primarily designed for custom domains or split-horizon setups, not direct conditional forwarding like a traditional DNS server. For hybrid scenarios, you typically use an Azure-provided DNS resolver or a custom DNS forwarder.

Can Azure Private DNS automatically register virtual machine IP addresses?

Yes, when you create a virtual network link, you can enable the "Auto registration" feature. This will automatically create and manage A-records for the virtual machines deployed inside the linked Virtual Network.

What is the difference between Azure Private DNS and Azure DNS?

Azure DNS is a public, globally available DNS hosting service for resolving public domain names. Azure Private DNS performs internal resolution exclusively for resources within your private VNets, keeping internal hostnames hidden from the public internet.

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