Azure DNS Private Subnets - support for NSG & UDR

Venkita Ramanan, Ramu 56 Reputation points
2022-10-31T09:36:18.037+00:00

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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An Azure service that enables hosting Domain Name System (DNS) domains in Azure.
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  1. GitaraniSharma-MSFT 48,436 Reputation points Microsoft Employee
    2022-10-31T15:37:26.457+00:00

    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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