Fix: DNS server is not responding error in Windows 11

In this guide, we share causes of “DNS server isn’t responding” error in Windows 11 and 9 methods to fix this issue on your PC.

What is DNS Server?

DNS Server

DNS is an integral part of the internet as just like phone directory, it holds all the records of IP addresses for domains.

However, it has been reported that some users face error that reads “DNS server isn’t responding” in Windows 11 which prevents them from accessing any webpage.

Causes for DNS Server Not Responding Error in Windows 11

There are basically only two reasons which attributes to this error in Windows 11. One is related to cache memory and second is some virus on your computer.

Since DNS stores all the IP addresses of domains in computer cache for faster connectivity, if there is some issue with cache or your computer cache memory is full, you will not be able to access the internet on any web browser and, as a result, will get DNS server error.

The second cause of this error can be presence of some malware or virus on your Windows 11 computer or laptop.

Methods to Fix “DNS server isn’t responding” Error in Windows 11

Fortunately, there are multiple methods to fix this error in Windows 11, and we will discuss them in details in this article.

Windows 11

Related Windows 11 Guides:

Fix # 01: Restart your PC

If the error is caused by computer cache memory then restarting your computer will clear it.

Remember to save any important work you have opened on your system before restarting your PC.

Fix # 02: Change DNS Server

If restarting your Windows 11 PC does not fix the problem, then you need to change the DNS server you are using.

You can try using OpenDNS server or Google Public DNS to fix the issue.

To do this, follow below steps:

Step 1: Go to Network and Sharing Center and click on “Change Adapter Settings”.

Step 2: On next screen open properties of your current network adapter and select “Internet Protocol Version 4 (TCP/IPv4)”.

Step 3: Click properties again and select “Use the following DNS server address” and enter preferred DNS Server IP addresses from list below:

OpenDNS IP Addresses

  • 166.78.100.1
  • 208.67.222.220
  • 208.67.220.220

Google Public DNS IP Addresses:

  • 8.8.8.8
  • 8.8.4.4

Step 4: Once you have selected DNS Server IP addresses from this list, click OK and close all the windows to apply your changes immediately.

Step 5: Now open any website in your browser on Windows 11 PC to check if it works for now or not.

If still getting error, then try method # 3.

Fix # 03: Disable Antivirus and Firewall

If you are using any Antivirus program on your computer, then it is recommended to disable that temporarily and check if this DNS server error goes away or not.

Similarly, there may be cases when Windows Firewall is blocking the incoming connections which can also lead to this error in Windows 11. In this case too you need to turn off Woindows 11 firewall for some time.

Fix # 04: Update Router Firmware

Sometimes this error can also be caused due to outdated firmware of your router. So if you have a router at home, then try updating its firmware and check if problem goes away or not.

All Modern routers come with web interface which makes it extremely easy to update their firmware. Just go to http://192.168.1.1/ on your browser and login using credentials of admin (default username is always “admin” with no password).

Once logged in to modem web interface, update firmware as per instructions given in router manual.

Fix # 05: Check Firewall Settings

If you have any firewall installed on your Windows 11 computer then make sure that it too is not blocking incoming connections. To do this:

  1. Go to Control Panel -> Windows Firewall -> Advanced Settings and check firewall status there.
  2. Check Allow a program or feature through Windows Firewall option in left pane and then click on Change settings.
  3. After that make sure Block all incoming connections is unchecked and click OK button.

Fix # 06: Restart Modem

Sometimes, the issue that result in this error is with the modem itself. In that case, simply restarting it will the issue.

If restarting your modem does not fix the DNS server DNS server isn’t responding error on your Windows 11 PC, then check out fix # 7.

Fix # 07: Update Drivers of Network Adapter

It is also possible that drivers of your network adapter are outdated and need an update which can cause this error.

To update your network adapter drivers, open Device Manager to check if there are any pending driver updates for your network adapter. If there are any pending updates, just install them

Fix # 08: Change DNS servers in Network Adapter Properties

If you don’t want to change your DNS server completely then can also select “Obtain DNS server address automatically” option and check if that fixes the problem or not.

If the problem still persists, then check out our last method to fix DNS server error on your computer.

Fix # 09: Clear DNS Cache

  1. Open Command Prompt as Administrator. (Right click on start menu button and choose run as administrator).
  2. Type CMD in search bar and hit Enter.
  3. Now type ipconfig /flushdns in command prompt. This will clear DNS client cache.

After that try to open a website in Internet Explorer or Edge or Chrome and see if it works.

If you have any question related to this guide, feel free to contact us!