How Do I Fix DNS Server Is Incorrect or Doesn’t Exist?


Heather Bennett

Are you facing issues with your internet connection? Is your browser displaying an error message that says “DNS Server is incorrect or doesn’t exist”?

Don’t worry, you’re not alone. DNS (Domain Name System) is an essential component of the internet infrastructure, and when it encounters problems, it can disrupt your web browsing experience. In this article, we will explore the various reasons behind this error and provide you with step-by-step solutions to fix it.

What is a DNS Server?

Before we delve into the troubleshooting steps, let’s first understand what a DNS server is. In simple terms, a DNS server acts as a translator between human-readable domain names (like and their corresponding IP addresses (like When you enter a website’s URL in your browser, the DNS server converts it into an IP address to establish a connection and fetch the requested webpage.

Possible Causes of the “DNS Server Is Incorrect or Doesn’t Exist” Error

When you encounter this error message, it could be due to several reasons:

  • Internet Connection Issues: Sometimes, the problem lies with your internet connection itself. It could be a temporary outage or a slow network speed that prevents your device from connecting to the DNS server.
  • Incorrect DNS Settings: If you have manually configured your DNS settings and made any mistakes, such as specifying an invalid IP address or entering incorrect values, it can result in this error.
  • DNS Server Issues: The DNS server you are trying to connect to may be experiencing technical difficulties or undergoing maintenance.
  • Firewall or Antivirus Blocking: Your firewall or antivirus software may be blocking the connection to the DNS server, considering it as a potential security threat.

How to Fix the “DNS Server Is Incorrect or Doesn’t Exist” Error

Now that we have identified the possible causes of this error, let’s move on to the solutions:

1. Check Your Internet Connection

The first step is to ensure that your internet connection is stable and working properly. You can do this by trying to access other websites or performing a speed test. If you find any issues with your connection, contact your internet service provider for assistance.

2. Restart Your Router and Modem

Many connectivity issues can be resolved by simply restarting your router and modem. Unplug them from the power source, wait for a few seconds, and then plug them back in. This process will refresh the network settings and may fix any temporary glitches.

3. Use Automatic DNS Settings

If you have manually configured your DNS settings, consider switching back to automatic settings provided by your internet service provider. To do this:

  1. Go to the Control Panel on your computer.
  2. Select “Network and Internet” and then click on “Network and Sharing Center. “
  3. Click on “Change adapter settings.

  4. Right-click on your active network connection and choose “Properties. “
  5. Select “Internet Protocol Version 4 (TCP/IPv4)” and click on “Properties. “
  6. In the new window, select “Obtain DNS server address automatically” if it’s not already selected.
  7. Click “OK” to save the changes.

4. Flush DNS Cache

Flushing the DNS cache can help resolve issues related to outdated or corrupt DNS information stored on your computer. To flush the DNS cache:

  1. Open the Command Prompt on your computer.
  2. Type “ipconfig /flushdns” and press Enter.
  3. Wait for the process to complete, and then restart your computer.

5. Disable Firewall or Antivirus Temporarily

If you suspect that your firewall or antivirus software is blocking the connection to the DNS server, try disabling them temporarily. Remember to re-enable them after troubleshooting to maintain your system’s security.


The “DNS Server Is Incorrect or Doesn’t Exist” error can be frustrating, but with the right troubleshooting steps, you can resolve it and get back to browsing the internet seamlessly. By checking your internet connection, restarting your router and modem, using automatic DNS settings, flushing the DNS cache, and temporarily disabling firewall or antivirus software, you can eliminate common causes of this error. If none of these solutions work, consider contacting your internet service provider for further assistance.

We hope this article has provided you with a comprehensive guide to fixing the “DNS Server Is Incorrect or Doesn’t Exist” error. Happy browsing!

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