azureblog.co.uk
← cd ~/roles
// roles/azure · networking

Private DNS Zone ContributorAzure built-in role

Lets you manage private DNS zone resources, but not the virtual networks they are linked to.

Role IDb12aa53e-6015-4669-85d0-8515ebb3ae7f
CategoryNetworking
Actions10
Data actions0

What it can do

PermissionWhat it allows
Microsoft.Insights/alertRules/*Every operation under Microsoft.Insights/alertRules
Microsoft.Resources/deployments/*Every operation under Microsoft.Resources/deployments
Microsoft.Resources/subscriptions/resourceGroups/readGets or lists resource groups.
Microsoft.Support/*Every operation under Microsoft.Support
Microsoft.Network/privateDnsZones/*Every operation under Microsoft.Network/privateDnsZones
Microsoft.Network/privateDnsOperationResults/*Every operation under Microsoft.Network/privateDnsOperationResults
Microsoft.Network/privateDnsOperationStatuses/*Every operation under Microsoft.Network/privateDnsOperationStatuses
Microsoft.Network/virtualNetworks/readGet the virtual network definition
Microsoft.Network/virtualNetworks/join/actionJoins a virtual network. Not Alertable.
Microsoft.Authorization/*/readAny read operation on anything under Microsoft.Authorization

Assign it

Scope it as tightly as you can: a resource or resource group rather than the whole subscription.

azure cli
az role assignment create \
  --assignee "jane.doe@contoso.com" \
  --role "Private DNS Zone Contributor" \
  --scope "/subscriptions/<subscription id>/resourceGroups/<resource group>"
powershell3 lines
New-AzRoleAssignment -SignInName "jane.doe@contoso.com" `
  -RoleDefinitionName "Private DNS Zone Contributor" `
  -Scope "/subscriptions/<subscription id>/resourceGroups/<resource group>"
bicep7 lines
resource assignment 'Microsoft.Authorization/roleAssignments@2022-04-01' = {
  name: guid(resourceGroup().id, principalId, 'b12aa53e-6015-4669-85d0-8515ebb3ae7f')
  properties: {
    roleDefinitionId: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', 'b12aa53e-6015-4669-85d0-8515ebb3ae7f')
    principalId: principalId
  }
}

Who already has it?

kql · azure resource graph
authorizationresources
| where type == "microsoft.authorization/roleassignments"
| where tostring(properties.roleDefinitionId) endswith "b12aa53e-6015-4669-85d0-8515ebb3ae7f"
| project principalId = tostring(properties.principalId), principalType = tostring(properties.principalType), scope = tostring(properties.scope)

Other networking roles

Find the smallest role for a task →