How Do I Check if Windows DNS Server Is Working?


Scott Campbell

Are you facing issues with your Windows DNS server? It’s essential to check if your DNS server is working properly to ensure smooth connectivity and efficient browsing. In this tutorial, we will guide you through the steps to check the functionality of your Windows DNS server.

Checking Windows DNS Server

The Domain Name System (DNS) plays a crucial role in translating domain names into IP addresses, enabling us to access websites and services on the internet. If there is an issue with the DNS server, it can result in various connectivity problems.

To check if your Windows DNS server is working correctly, follow these steps:

Step 1: Open Command Prompt

To begin, press Windows + R on your keyboard to open the Run dialog box. Type “cmd” and press Enter. This will open the Command Prompt.

Step 2: Run NSLookup Command

In the Command Prompt window, type “nslookup” followed by a space and the domain name or IP address you want to test. Press Enter.

Note: You can enter a specific domain name (e.g., or an IP address (e., 8.8.8) for testing purposes.

Step 3: Analyze the Results

The results displayed after running the NSLookup command will provide valuable information about your DNS server’s functionality.

  • If it shows the IP address of your DNS server followed by its name, it indicates that your DNS server is functioning correctly.
  • If it displays an error message like “Non-existent domain” or “Server failed,” there might be an issue with your DNS server.
  • If the results show different IP addresses or names than expected, it could indicate DNS misconfiguration.

Step 4: Test External Websites

In addition to the NSLookup command, you can test connectivity to external websites to further validate your DNS server’s functionality. Open a web browser and try accessing different websites. If you can access them without any issues, it indicates that your DNS server is working fine.


By following these steps, you can easily check if your Windows DNS server is working. The NSLookup command provides valuable information about the functionality of your DNS server, enabling you to diagnose and resolve any issues effectively.

Remember, a properly functioning DNS server is vital for seamless internet connectivity and efficient browsing experience. Regularly checking the status of your DNS server ensures that you can troubleshoot and fix any problems promptly.

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