How Do I Use My Raspberry Pi as a DNS Server?


Angela Bailey

How Do I Use My Raspberry Pi as a DNS Server?

Setting up your Raspberry Pi as a DNS server can provide a reliable and customizable solution for managing your local network’s domain name system. In this tutorial, we will guide you through the process of configuring your Raspberry Pi to act as a DNS server, allowing you to resolve domain names within your network.


  • Raspberry Pi: Ensure that you have a Raspberry Pi board available.
  • Raspbian OS: Install the latest version of Raspbian on your Raspberry Pi.
  • Internet Connection: Connect your Raspberry Pi to the internet for updates and package installations.

Step 1: Update and Upgrade

Before we begin, let’s update and upgrade our Raspberry Pi to ensure that all packages are up to date:

$ sudo apt update
$ sudo apt upgrade -y

Step 2: Install DNSmasq

DNSmasq is a lightweight DNS forwarder and DHCP server. It will allow us to handle DNS queries within our network:

$ sudo apt install dnsmasq -y

Step 3: Configure DNSmasq

To configure DNSmasq, we need to edit its configuration file:

$ sudo nano /etc/dnsmasq.conf

Add the following lines at the end of the file:

interface=eth0       # Replace with your network interface if necessary
listen-address=  # Replace with your Raspberry Pi's IP address
dhcp-range=192.50,192.150,12h  # Set the DHCP range to assign IP addresses to devices

Save and exit the file by pressing Ctrl + X, followed by Y, and then Enter.

Step 4: Restart DNSmasq

Now that we have made changes to the configuration, let’s restart DNSmasq for the changes to take effect:

$ sudo systemctl restart dnsmasq

Step 5: Configure Network Interfaces

We need to configure our network interfaces to use our Raspberry Pi as the DNS server:

$ sudo nano /etc/dhcpcd.conf

Add the following line at the end of the file:

static domain_name_servers=192.1  # Replace with your Raspberry Pi's IP address

Step 6: Test DNS Resolution

To test if our DNS server is working correctly, try resolving a domain name on a device connected to your network:

$ nslookup

If you receive a response with an IP address, congratulations! Your Raspberry Pi is now functioning as a DNS server.

Troubleshooting Tips:

  • If you encounter any issues: Ensure that your Raspberry Pi and client devices are connected to the same network.
  • Check firewall settings: Make sure that your firewall is not blocking DNS traffic on port 53.
  • Verify network configuration: Double-check that you have correctly configured the DNS server IP address in your client device’s network settings.

By following this tutorial, you have successfully set up your Raspberry Pi as a DNS server. You can now enjoy the benefits of having a locally managed domain name system within your network.

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