Azure DNS Private Subnets - support for NSG & UDR

Venkita Ramanan, Ramu 56 Reputation points

The inbound and outbound subnets created for Azure DNS Private DNS resolver, do they support NSG & UDR ? If so, are there are default set of NSG rules to include?

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  1. GitaraniSharma-MSFT 48,436 Reputation points Microsoft Employee

    Hello @Venkita Ramanan, Ramu ,

    I understand that you would like to know if the inbound and outbound subnets created for Azure Private DNS Resolver support NSG and UDR.

    I discussed this with the Azure Private DNS Resolver Product Group team and below is their response:

    Yes, Azure Private DNS Resolver subnets should work with NSG/UDRs and the only required ports are:

    1. 53 UDP/TCP inbound for inbound endpoints.
    2. 53 UDP/TCP outbound & inbound for outbound endpoints.

    Kindly let us know if the above helps or you need further assistance on this issue.


    Please "Accept the answer" if the information helped you. This will help us and others in the community as well.

    1 person found this answer helpful.

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