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How-to Fix DNS Server Not Responding in Windows [SOLVED]

When the web browser can’t connect to the Internet, Windows shows its users the message “DNS server not responding.”

This type of error can have many causes, but, in general, it can be solved in a few steps. Below, I present related information about the possible sources of this error and the most common solutions.

What is a DNS?

Domain name system (DNS) is the system responsible for the conversion of alphanumeric domain names into numeric IP addresses.

The assignment of names is decentralized in globally distributed DNS servers. Thus, each Internet address written in the search bar of the web browser is sent from the router to a DNS server.

This translates the domain name into a sequence of numbers and sends back the corresponding IP address. If the response from the DNS server fails, it will not be possible to access the web page, and the error message “DNS Server is not responding” will appear.

The cause of this annoying error message may be a network failure. This means that the DNS server is temporarily unavailable.

Method #1: Try Other Browsers

To check if the web browser generates the connection problem, you will have to test the desired web page using other browsers.

Among the most common options are Mozilla Firefox, Google Chrome, Microsoft Edge and Apple Safari.

In case the error disappears after trying a different browser, I recommend adjusting the settings of your current browser, as well as checking that you are using the most recent version. It may also be useful to uninstall the program and reinstall it again.

Method #2: Disable Firewall

If changing the browser doesn’t give any results, another of the most frequent causes of this error is the Windows Firewall.

  1. Open the Control Panel
  2. Navigate to Network and Security > Windows Firewall
  3. On the left click on Turn Windows Firewall on or off
  4. Check Turn off Windows Defender Firewall in both private and public.

If even disabling Firewall the error remains, you will have to focus your efforts on your DNS configurations.

Method #3: Restart Router

Usually, Internet connection problems can be solved by restarting the router.

For this, it will only be necessary to press the corresponding power button.

A slightly more abrupt option is to disconnect the power source. In this case, its necessary to wait around 30 seconds until all electronic components have completely turned off before connecting it again.

If, despite restarting the router, the message “DNS server not responding” still appears, it will be necessary to choose a different DNS server.

Method #4: Change DNS

If common sources of error such as a router error or a conflict with the Windows Firewall have been ruled out, the next step will be to change the DNS server.

With just a few clicks you can replace your DNS server with your own servers. One of the alternatives are the public DNS servers. One of the fastest, free and trusted DNS servers is the public server operated by Google .

Change DNS from Control Panel

To set up the DNS in Windows 7, Windows 8 or Windows 10 you must access the network adapter settings.

  1. Open the Control Panel
  2. Navigate to Network and Security > Network and Sharing Center
  3. On the left click on Change Adapter Settings

In this part, you must select the Internet adapter. If you use WLAN to connect to the Internet, you will have to choose the wireless or Wi-Fi adapter. If you connect with a LAN adapter, then select the Ethernet Adapter.

Once you know what your network adapter used is, right-click on it and select Properties

Now you must choose the corresponding Internet protocol. Among the options are the 4 and 6 version. In most cases, the “Internet Protocol version 4” is the one. So double-click on it.

Now it will be possible to change the DNS server address in Windows.

obtain dns server address automatically windows 10

The options “Obtain an IP address automatically” and “Obtain DNS server address automatically” will always be check by default.

To change the DNS server address manually, click on “Use the following DNS server addresses” and enter the address you want.

If, for example, you want to use Google’s DNS server, copy the address 8.8.8.8 in the “Preferred DNS server” field and address 8.8.4.4 in the “Alternative DNS server” box.

By clicking on the OK button, you will confirm the changes made to the DNS server.

Note: If instead of Internet Protocol version 4 (IPv4) you use Internet Protocol version 6 (IPv6), you must replace the IP addresses of the DNS server. The public IPv6 addresses of the Google DNS server are:

  • 2001:4860:4860::8888
  • 2001:4860:4860::8844

Change DNS server with PowerShell

Another alternative to change a DNS is using the PowerShell. This method is aimed more at experienced users. With just one command it is possible to configure the DNS without having to make many clicks.

To do this, open PowerShell as an administrator.

Type the word “PowerShell” in the search box and right-click to select the option Windows PowerShell and then Run as administrator.

Next, you must determine the name (Alias) of the adapter through which you are connected to the Internet. To do this, enter the following command in PowerShell:

Get-NetAdapter|select ifDesc, ifAlias, ifIndex, MediaType | fl

In the example, the name of the adapter used is Ethernet. The following command must be entered:

Set-DnsClientServerAddress -InterfaceAlias "Ethernet" -ServerAddresses "8.8.8.8","8.8.4.4" 

In case the computer is connected through a wireless connection (Wi-Fi), the following command will be introduced:

Set-DnsClientServerAddress -InterfaceAlias Wi-Fi -ServerAddresses "8.8.8.8","8.8.4.4"

Here you must also replace Wi-Fi with the name of the adapter used 8.8.8.8 and 8.8.4.4 are the public addresses of the Google DNS server.

Change DNS with Command Prompt

Configuring DNS in Prompt is a process aimed at users with extensive experience in Windows management. As with PowerShell, this method doesn’t require the use of any user interface, being especially suitable for the maintenance of a server.

The first step is to open the Command Prompt as an administrator.

Next, you must determine the interface name. To do this, use the command:

netsh interface show interface

Now, you can set up the primary and secondary DNS servers using the commands:

netsh interface ip add dns name="Ethernet" addr=8.8.8.8 index=1

netsh interface ip add dns name="Ethernet" addr=8.8.4.4 index=2

Windows does not issue error messages in case the names don’t match or are incorrect, so try to make sure that the interface name is correct.

Finally: Test your new DNS Server

To determine if the error “The DNS Server isn’t responding” has been completely resolved, you can perform a simple test.

Enter any URL in your browser, for example, https://www.google.com.

If you immediately access the Google website, the DNS server you have registered will be working correctly.

Otherwise, you can enter the IP address 172.217.16.195. This is one of the many IP addresses on the Google website. If after trying with both options, you still don’t see the web correctly, its probably not a problem with your DNS server, but with your Internet Connection.

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