Azure: Is it necessary to have dedicated Private DNS for each resource type like file, blob, table, Cosmos, and SQL?

Mugil Karthikeyan 0
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My application on Azure consists of a Storage Account, Cosmos DB, SQL Server, a Web App, and a Function App. The Private Endpoint needs to be set up and used. Every type of Private Endpoint requires a dedicated Azure Private DNS.

eg:

  • privatelink.documents.azure.com
  • privatelink.file.core.windows.net

Is it necessary to have dedicated Private DNS for each resource type like file, blob, table, Cosmos, and SQL? Can't I use the same Private DNS for all type of Private Endpoints?

azure-private-dns-zone azure-private-dns azure
1 Answers

Yes, it is necessary and you will need a separate Private DNS Zone per resource type.

See Azure services DNS zone configuration for details.

However, you can re-use the same zone across regions and subscriptions, so you should only need them once within your Azure tenant.

holger0
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