---
description: Configure 1.1.1.1 on Microsoft Azure virtual networks.
title: Azure
image: https://developers.cloudflare.com/og-docs.png
---

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# Azure

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/1.1.1.1/setup/azure/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

These steps configure 1.1.1.1 as the DNS resolver for an Azure Virtual Network (VNet). This applies to all resources in the VNet, including virtual machines.

1. Log in to your Azure portal.
2. From the Azure portal side menu, select **Virtual Networks**.
3. Select the virtual network you want to configure.
4. Select **DNS Servers** \> **Custom**, and add two entries:  
```txt
1.1.1.1
1.0.0.1  
```
5. Select **Save**.

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