Comcast DNS Server Not Responding Xfinity WiFi Fix 2022

This is a step-by-step solution to dns server not responding xfinity wifi in 2022 to connect the internet using more than three methods. Even when we are using the world’s best ISP, the WiFi might not work properly causing several DNS issues.

dns server not responding xfinity wifi fix

Xfinity is an Internet Service Provider trademark from Comcast parent company with headquarters in Philadelphia, Pennsylvania, United States, also operating in Australia. It’s a multi-billion-dollar company owned by CEO Dave Watson, that serves the internet through the major areas of the US as the largest provider, covering 40% of the total market since 2011.

The Xfinity WiFi is a private and public network of hotspots for subscribers that can be accessed by signing in using a registered Xfinity account. However, sometimes, even when we’re properly connected, the internet stops working. So, how to deal with these problems when it occurs in Comcast or Xfinity?

How to fix dns server not responding xfinity

The unresponsive domain name system is like an excuse for your device when it fails to connect to the internet. Good news, we’ve prepared this article with loads of tips that will help you fix the Xfinity DNS server not responding, fast and super easy.

Causes of the problem

There are dozens of causes that bring DNS-related errors on Xfinity Comcast and a few of them are mentioned below.

  • Broken cables, wires, and fibers.
  • Damaged router.
  • The device has the wrong date and time.
  • Misconfigured DNS
  • Devices Overload
  • and more.

Similar article: Steps to fix dns errors on Linux and ubuntu

With that in mind, let’s learn the methods to solve Comcast Xfinity DNS problems.

1. Check WiFi Cables – External Problems

Xfinity provides an internet connection to your router via a medium of wires, most probably fiber optic cables. You need to check such cables properly because the internet is cut if any wire is broken. The lights on the router might be blinking with a proper power supply but the internet won’t work in such cases.

Not only in your home network, any breakage of cable in your entire area due to accidents or natural calamities like wind, storm, etc. can cause the issues. Therefore, you need to do some research on the points where it could be broken and fix them or call the authorities if the whole area is down.

2. Restart router

Restarting the router manually or virtually will sometimes help to fix the Comcast DNS server not responding 2022 error. For manually, you need to unplug the router’s adapter from the power source and then plug it back in after waiting for at least 10-20 seconds. The router will then take some time around 5-10 minutes to restart.

To perform this action virtually, you’ll need to download the Xfinity mobile app and follow the instructions listed below.

  1. Open the Xfinity app on your android or iOS device.
  2. Login to your account using your username or password.
  3. Launch the menu by tapping on the three vertical lines in the upper left corner of the screen.
  4. Select “Internet”.
  5. Then go to the “Wireless Gateway” name.
  6. Click on “Restart this device”.
  7. Confirm the action by selecting “Restart Device”.
  8. Wait for 5-10 minutes until the process is complete.

3. Modify DNS Addresses – Internal Errors

In this step, we’re going to remove the system default Domain Name Systems from our android and use custom DNS. A detailed process for android and other solutions is described in a different dedicated article here. Also, these are the steps to be taken only when there are no broken cables or the ISP is not blocking your connection.


  1. Open Wifi Settings on Android.
  2. Click on the network and select ‘Forget’.
  3. Now, reconnect to the network using proper username credentials.
  4. Check if it is working.
  5. Again, if it displays “Connected, no internet”, click on the chevron right arrow next to the network’s name to unlock options. In some devices, you might have to long-press on the name to get those options.
  6. Tap on “Ip Settings” and select “Static”.
  7. Scroll down and put the value of in DNS 1.
  8. Similarly, put in DNS 2.
  9. Save the settings and check if it is working now.

The methods to change DNS settings for the Xfinity router vary from device to device and OS to OS. Check out our detailed guide for solving windows 10 dns server internal errors.

4. Reduce devices overload

Sometimes, when there’s is an overload of unnecessary devices connected to your network, it could slow down the internet speed. In that cases, your browser might display a DNS server not responding Comcast error when it takes too much time to connect.

Therefore, you can log in to the wifi portal and maintain the number of connected devices within the allowed maximum limit. It will reduce the load on data transfer and increase the loading speed, thus solving the problem.

Also read: How to fix DNS errors on Macbook Operating System

Clearing Doubts

1. what is dns server not responding?

It is a type of common error that an electronic device or browser displays when its system fails to connect to the world wide web, popularly known as the internet due to various multiple circumstances and causes.

2. what to do when dns server is not responding?

First and foremost, check if there are any wires or cables cut that disconnect our router with the ISP line. Secondly, make sure that we have a proper balance in our Xfinity account and no renewal is required for the time being. After that, make sure that there's no device overloading on your network based on the internet plan that you've subscribed to. Additionally, we can try modifying the system default DNS to alternate Google DNS that can help to fix the Xfinity wifi DNS server not responding.

3. how do I change the DNS on my Xfinity router?

Actually, we cannot change the DNS, not only on the Xfinity router but from any company. It is not in our control (user's). However, we are free to modify the DNS on individual connected devices whether it is android, windows 10, Linux, Mac, or iOS. The steps to change DNS may vary according to the operating system, one of which (android) is mentioned above.

4. how do I reset my Xfinity router?

Resetting your Xfinity router can be done in two ways: manually or virtually through the app, as mentioned earlier in the article. The simplest method is to unplug the router's adapter from the power supply and then replug it after waiting for 10-20 seconds. This will reset your Xfinity router as it takes 5 to 10 minutes to restart properly again.

5. how you check if DNS is working?

To check if the DNS is working properly or not, we can connect multiple devices to the same network and witness if all of them are affected or not. Similarly, we can try using alternate DNS server addresses, like the one described in solution 3, and rebooting the dns servers.


These were some of the methods to fix dns server not responding xfinity wifi practically by modifying the settings of your devices as well as ISP accounts. We have only added methods to set alternate DNS for android only, as it is the device that everyone has easy access to. If you check or search on our website, you will find methods for different other devices and operating systems as well. Now, in your turn, were you able to get back internet access and fix DNS server error on Xfinity using the steps mentioned above? Tell us in the comments below.

2 thoughts on “Comcast DNS Server Not Responding Xfinity WiFi Fix 2022”

  1. This is rarely a customer problem. This “solution” omits the primary reason this error occurs:
    Comcast has move an internal server (usually and the DNS informqtion has not radiated to the DNS servers.

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