How To Solve “DNS Server Not Responding” Issue

Have you ever encountered an error called ‘DNS server not responding’ while trying to access a site? This is one of the most common errors and there are a lot of reasons due to which it happens. In this article, we will discuss why this error happens and how to solve DNS server not responding issue. To understand the issue we must first understand what DNS is.

What is DNS server not responding mean?

DNS stands for Domain Name System and its main function is to convert Domain names into IP addresses. With the help of this IP, a computer understands which website a user wants to reach and takes him to that particular website. Just like we understand a website by its URL, similarly server differentiates all the websites with their unique IP address. 

This system operates as a place where all the Domain Names are stored corresponding to their IP. When a user searches any domain name, this system helps the computer in connecting to that domain’s corresponding IP.

Sometimes due to some technical issue, a computer is not able to connect to the DNS server. And due to which DNS server not responding error occurs. There are a lot of causes of its occurrence and most of these happen from the user’s end.

Why is my DNS server not responding?


There are many different reasons which might cause the DNS error issue. Some of them are as follows:

  • Network Problems: One of the major reasons for this error is a slow network or poor networks. So, the very first thing you should check your internet connectivity.
  • Browser Issues: Sometimes this issue occurs simply due to your browser. It can happen either because your browser is not working properly or is outdated.
  • Antivirus programs: It is factual that antiviruses not only slow down your internet speed but also creates other problems. So., it can also be caused due to antiviruses.
  • Modem and Router problems: A minor error in routers and modems can also lead to this problem. So, it is recommended to check them if something like this occurs.

These are the most common problems which cause DNS server not responding issue. And the methods for resolving these issues are mentioned below.

How do I fix DNS server not responding for windows?

There are some simple ways by which you can resolve this problem if you are facing this problem with windows. The steps for the same are:

Switching and updating the browser 

Mostly this problem occurs due to using a poor or outdated browser. So, in this case, the first thing you can try is to update your browser to the latest available version or you can also switch your browser.

If this doesn’t fix DNS server not responding issue for you then try the following things.

Disable Antiviruses

As mentioned above, this issue sometimes occurs due to the use of antiviruses and firewalls. So, if switching browsers doesn’t work you can try to reach these sites by temporarily disabling your antiviruses and firewall. If this works then it is recommended to switch your anti-malware or antivirus software.

Restart router and modem

Modems or routers having minor problems can also lead to this problem. So, it is recommended to restart your router or modem.

You can do so by opening your router’s web configuration page and can restart it from there. Alternatively, you can restart it by pressing and holding the router’s on/off button for 10 seconds. If both of these methods don’t work then you can do this by cutting the power supply and again starting it.

If these methods don’t work then the problem lies with your system. And for this, there are some configurations that you have to do in your system.

Disable secondary connections

The first configuration that you will have to do is to disable all the secondary connections. To do this in windows there are several steps that you have to follow and these are:

1. Firstly search network connections in your search box.  It will show you some search results and from these, click on ‘view network connections’. 


2. This will take you to the page of Network connections. After reaching their disable all the connections that are currently inactive.

3. For doing this, right-click on any of the connection types and disable it from there.


4. And once you are done, restart your browser and try reaching the site.

Clear your DNS cache

For resolving the DNS server not responding problem, the next thing that you can try is to clear the DNS cache. You can do this by following several steps.

1. Firstly you have to search “cmd” in the search bar. And by doing this you will find the “Command Prompt” in search results.

2. Now right-click on it and run it as administrator. After that, a popup will open and will ask you to allow this app to make changes. Click on Yes and the Command Prompt app will open.


3. Now you have to run some commands one by one and typing the command and pressing enter. These are commands:


ipconfig /registerdns 

ipconfig /release 

ipconfig /renew

4. Once you finish these commands, a success message will appear. And after that restart your PC.

These steps will help you in flushing the DNS cache. Now again try to reach that site.

Disable IPv6

If all the above-mentioned steps don’t work then the last thing that you can is to disable IPv6. IPv6 or Internet Protocol version 6 is the latest version of Internet Protocol. Its main purpose is to allow data transfer and communication and was launched to replace IPv4. Disabling this can also work for you and you can do so by going along with these steps:

1. For this first visit the Control Panel and after that click on the “view network status and tasks”.

2. After that find the connection option and click on the network you are currently using. This will take you to the connection status page and there you will find the properties option.


3. Click on that and that will take you to the networking page. There find the IPv6 and uncheck that and save the setting by click on “OK”.


By doing this the IPv6 will be disabled. Now again try reaching the web page.

So, these are the ways through which you can fix the DNS server not responding problem. If the problem still exists after applying all the mentioned methods, then it is recommended to contact a technical person.