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Dns Reverse Dns For Azure Services
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Sad Tux - Windows bias detected
This page contains Windows bias

About This Page

This page is part of the Azure documentation. It contains code examples and configuration instructions for working with Azure services.
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Bias Analysis

Detected Bias Types
powershell_heavy
windows_first
missing_linux_example
windows_tools
Summary
The documentation demonstrates a Windows bias by prioritizing Azure PowerShell (and classic PowerShell) examples before CLI equivalents, providing only PowerShell-based instructions for Cloud Services, and omitting Linux/Unix-native command examples (such as Bash, dig, or nslookup). The use of PowerShell-specific cmdlets and the absence of Linux shell or cross-platform DNS validation tools further reinforce this bias.
Recommendations
  • Provide Linux-native command examples (e.g., Bash, dig, nslookup) for verifying reverse DNS records alongside PowerShell examples.
  • Include instructions and examples for configuring reverse DNS using cross-platform tools and scripts, not just PowerShell.
  • When listing command-line examples, present Azure CLI (which is cross-platform) before or alongside PowerShell, rather than always leading with PowerShell.
  • Explicitly mention that Azure CLI commands can be run on Linux, macOS, and Windows, and provide sample shell environments where appropriate.
  • For Cloud Services, clarify if there are any cross-platform or REST API alternatives to PowerShell, and provide those if available.
  • Add a section or callout for Linux users, summarizing the parity and any limitations or differences in the process.
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Scan History

Date Scan Status Result
2026-01-14 00:00 #250 in_progress Biased Biased
2026-01-13 00:00 #246 completed Biased Biased
2026-01-11 00:00 #240 completed Biased Biased
2026-01-10 00:00 #237 completed Biased Biased
2026-01-09 00:34 #234 completed Biased Biased
2026-01-08 00:53 #231 completed Biased Biased
2026-01-06 18:15 #225 cancelled Clean Clean
2025-08-17 00:01 #83 cancelled Clean Clean
2025-07-13 21:37 #48 completed Clean Clean
2025-07-09 13:09 #3 cancelled Clean Clean
2025-07-08 04:23 #2 cancelled Biased Biased

Flagged Code Snippets

### Create a public IP address with reverse DNS

> [!NOTE]
> If the public IP address already exists in your subscription, see [Configure reverse DNS for a public IP address with an existing name](#configure-reverse-dns-for-a-public-ip-address-with-an-existing-name)

To create a new PublicIpAddress with the reverse DNS property already specified:

#### Azure PowerShell


### View reverse DNS for an existing public IP address

To view the configured reverse DNS value for an existing PublicIpAddress:

#### Azure PowerShell


### Remove reverse DNS from an existing public IP address

To remove a reverse DNS property from an existing PublicIpAddress:

#### Azure PowerShell


## Configure reverse DNS for Cloud Services

This section provides detailed instructions for how to configure reverse DNS for Cloud Services in the Classic deployment model, using Azure PowerShell. Configuring reverse DNS for Cloud Services isn't supported via the Azure portal, Azure classic CLI, or Azure CLI.

### Add reverse DNS to existing Cloud Services

To add a reverse DNS record to an existing Cloud Service: