How Do I Find My Primary DNS Server?


Scott Campbell

If you are experiencing issues with your internet connection, one important troubleshooting step you can take is to find your primary DNS (Domain Name System) server. The DNS server is responsible for translating domain names into IP addresses, allowing your device to connect to websites and online services. In this tutorial, we will explore different methods to find your primary DNS server.

Method 1: Using Command Prompt (Windows)

If you are a Windows user, you can easily find your primary DNS server using the Command Prompt. Follow these steps:

  1. Press the Windows key + R on your keyboard to open the Run dialog box.
  2. Type “cmd” and press Enter to open the Command Prompt.
  3. In the Command Prompt window, type “ipconfig /all” and press Enter.
  4. A list of network information will be displayed. Look for the section named “Ethernet adapter” or “Wireless adapter“.

    Under this section, locate the line that says “DNS Servers“. The IP address next to it is your primary DNS server.

Method 2: Using Network Settings (Mac)

If you are using a Mac computer, you can find your primary DNS server through the Network settings. Here’s how:

  1. Click on the Apple menu in the top-left corner of your screen and select “System Preferences“.
  2. In the System Preferences window, click on “Network“.
  3. Select your active network connection from the left sidebar (e.g., Wi-Fi or Ethernet).
  4. Click on the “Advanced” button at the bottom-right corner of the window.
  5. In the Advanced settings, go to the “DNS” tab.
  6. You will see a list of DNS servers. The IP address at the top of the list is your primary DNS server.

Method 3: Using Router Settings

If you want to find your primary DNS server for all devices connected to your home network, you can access your router settings. The steps may vary depending on your router model, but here’s a general guide:

  1. Open a web browser on a device connected to your home network.
  2. Type your router’s IP address in the address bar and press Enter. (You can usually find this information in the user manual or on the bottom of your router.


  3. Enter your router’s username and password to log in. (Again, check the manual or default credentials provided by your ISP. )
  4. Navigate to the “DNS“, “Network“, or “Internet” settings page.
  5. Your primary DNS server IP address should be listed there.

Finding your primary DNS server can be useful when troubleshooting network issues or configuring advanced network settings. By following these methods, you should be able to locate it easily on different operating systems and devices.


If you are experiencing persistent internet connection problems even after finding and verifying your primary DNS server, consider contacting your internet service provider for further assistance. They may need to troubleshoot or update your DNS settings on their end.

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