How to Change Xfinity Router DNS Settings? (3 Methods)

Because of increased internet consumption, internet paradigms have shifted significantly over time. However, with increased internet consumption and the introduction of advanced internet technologies, internet issues are also on the rise.

One such issue is with the DNS server, and changing the Xfinity Router DNS settings can be difficult.

We have outlined the pertinent information about the Xfinity router and DNS server in this article to assist you in resolving these issues. So, let’s get this party started!

How to Change DNS Settings on Xfinity Router
How to Change DNS Settings on Xfinity Router

Troubleshooting: Issues on Changing Xfinity Router DNS Setting

You cannot change the DNS settings on the Xfinity router.You can put the Xfinity router in bridge mode and use your own router to control the DNS settings.
You cannot find the DNS settings on the Xfinity router.The DNS settings are located in the Advanced settings.
You cannot change the DNS settings on the Xfinity router because you do not have an administrator account.You can contact Xfinity customer support to have them change the DNS settings for you.
You change the DNS settings on the Xfinity router, but your devices are still using the old DNS servers.You need to flush the DNS cache on your devices.
You change the DNS settings on the Xfinity router, but you are still experiencing problems with your internet connection.You may need to contact your ISP for further assistance.


Imagine a world without DNS to gain a better understanding of DNS. For example, if you wanted to google the live score of the Lakers game, you’d need to type into the address bar to get to

Alternatively, if you want to buy 3-ply toilet paper from Amazon, you must first go to rather than As a result, we would need to remember the unique IP address for each website in order to load its resources.

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Entering the website, such as, will not suffice. It’s like trying to remember an entire phone book! Every website has an IP address as well as a domain name.

The former is used by web browsers, while the latter is used by us. By looking them up, the Domain Name System (DNS) resolves domain names in everyday language to the appropriate address.

Wat is DNS?
Wat is DNS?


DNS failures are becoming more common as internet usage and advanced protocols increase. You didn’t have to mess with it when connecting your Xfinity Cable Box and Internet because there are default DNS configurations.

As a result, the natural solution is to change the DNS settings on the Xfinity router. However, if you have an Xfinity router, it is not an easy process.

The DNS servers are encoded on the router and cannot be changed directly. Even if you modify your computer, Comcast gateways will always intercept the transaction and redirect it to Comcast DNS servers.

Nonetheless, there are always workarounds for limitations. Here are the best solutions to help you transition to Public DNS servers and enjoy a more fluid browsing experience –

  • If you have a leased Xfinity router, return it and arrange for a personal router.
  • You can also connect another router to the Xfinity router in Bridge Mode (more than the concept later)


Alternative Video: How To Change DNS Settings In Windows?

How To Change DNS Settings In Your Windows


The outages at Comcast in Seattle and the Bay Area, as well as the underperformance of commercial DNS offered by Internet Service Providers (ISPs), had everyone wondering if there was a way to avoid the Xfinity DNS failure.

The solution is to use a public DNS server. You can improve the uptime and performance of your Xfinity router by making a few changes to your network settings.

Furthermore, it is secure and reversible because you can always revert to using a private or commercial DNS server. OpenDNS and Google DNS are currently the market leaders in public DNS services.

On your local device, you can configure your Xfinity to the relevant DNS settings.
Here’s what you should know about them:


  • Basic service is free, but registration is required.
  • Additional fees may apply for malware protection, network usage analysis, and other services.
  • and are the DNS servers.
  • The most senior public DNS servers


  • Offers only free DNS servers; no additional features are available.
  • and are the DNS servers (convenient to retain and configure)

DNS providers, both public and ISP, have two servers to cover any temporary overloading or network failure. It will become clear as we go through the steps to change your computer’s DNS settings.

Change DNS Server Setting
Change DNS Server Setting


  • The most important thing to remember about DNS is that you do not always have to use your internet service provider’s DNS.
  • This is due to the fact that private DNS servers typically perform well and provide faster services.
  • Users have reported that the Xfinity DNS has failed, preventing them from accessing the internet.
  • Even those who use commercial DNS provided by their ISP have had their performance harmed.
  • This is the primary reason why people prefer private DNS over public DNS services like Google and OpenDNS.


  • OpenDNS offers additional paid services, including better and free support, as well as web content filters.
  • Customers can easily use OpenDNS by registering for a free basic account.


  • To use OpenDNS services, you must first configure your local PC and router settings.
  • This is done so that you can use the DNS addresses and


  • The internet protocol addresses that can be used for Google DNS settings, on the other hand, are and


1. Setting Up The Xfinity Router DNS Settings in Windows 7

If you want to add and save the Xfinity router DNS settings on Windows 7, follow the steps below:

  • Navigate to your computer’s control panel.
  • Navigate to the network and the internet.
  • Next, proceed to the network and sharing center.
  • Change the adapter settings by tapping on it.
  • Select an internet connection.
  • Set up the Google Public DNS settings.

You will also need to select different ethernet connection settings. The steps for connecting to the ethernet connection are outlined in the section below:

  • Right-click on the local area connection and select Properties.
  • Now let’s look at the properties.

If, on the other hand, you need to change the wireless connection settings, follow the steps below;

  • Right-click on the wireless network connection and select Properties.
  • Select Properties from the menu.
  • If you require confirmation, enter the password and confirm it.
  • Now, navigate to the Network tab and select Internet Protocol Version 4.
  • Return to properties and select advanced.
  • Scroll all the way down to the DNS tab.
  • Please take note of the available IP addresses, delete them, and then click the OK button.
  • After removing the available IP address, enter the Xfinity router’s IP address.
Domain Name System servers
Domain Name System Servers

2. Setting Up The Xfinity Router DNS Settings on Mac OS

Follow the steps below if you are using the internet and Xfinity internet on a Mac device:

  • Go to the Apple menu.
  • Navigate to System Preferences and select the Network tab.
  • A lock icon will appear in the lower right corner of the window; click on it.
  • To provide authentication, enter your password.
  • Select a connection

Follow the steps below to change the settings of your ethernet connection:

  • Navigate to the built-in ethernet.
  • Select the advanced option.

To change the wireless connection, follow the steps below:

  • Navigate to the Airport tab.
  • Select the advanced settings option.
  • Select the DNS menu.
  • To add a new IP address to the Xfinity router, click the plus icon.
  • Press the apply button, followed by the OK button.

3. Setting The Xfinity Router DNS Settings On Ubuntu Linux

Anyone with a PC running the Linux operating system can configure the DNS settings through the network manager. Follow the steps below for additional assistance:

  • Navigate to the system menu and select Preferences.
  • Click on the network connections.
  • Select the desired connection.
  • Navigate to properties, and then to wireless connections.
  • Click the edit button.
  • Select the IPv4 settings.
  • Add the Xfinity router address to the DNS servers field.
  • You may also need to enter a password and click the confirm button.


A common solution for bypassing the default Xfinity router settings is to connect another router in Bridge Mode. It gives you control over your LAN settings while still allowing you to take advantage of the unlimited data benefits of your Xfinity service.

You can also change the settings whenever you want. However, if you have already activated your xFi pods, you will be unable to enable Bridge Mode.

In addition, even with Xfinity bridge mode, there will be no internet if it is not properly configured. Here are the steps to configure Bridge mode –

  1. Ascertain that you are using a device that is Ethernet-connected to the Comcast gateway.
  2. Navigate to in your browser to access the Admin Tool.
  3. Log in with your credentials to your account.
  4. Navigate to Gateway, then “At a Glance” in the left pane.
  5. Toggle Bridge mode on and off. You can, of course, turn it back off from here.
  6. You will be warned if you turn off the private WiFi network. Click the OK button.

Bridge mode, however, has some limitations. You cannot, for example, use Xfinity xFi or xFi pods while in Bridge mode.

How to Change DNS Server Settings
How to Change DNS Server Settings?


The bottom line is that using the Xfinity router is a wise decision because it will keep your data safe and secure. This is because the ISP’s DNS server may not be secure. In the same vein, they have access to the browsing history.

Frequently Asked Questions

Can I change the DNS settings on my Xfinity router?Yes, you can change the DNS settings on your Xfinity router. However, you may need to put the router in bridge mode if you want to use your own DNS servers.
What are the benefits of changing the DNS settings on my Xfinity router?There are a few benefits to changing the DNS settings on your Xfinity router. For example, you may be able to improve your internet speeds, get more accurate search results, and block ads.
What are some good public DNS servers to use?Some good public DNS servers to use include Google DNS ( and, OpenDNS ( and, and Cloudflare DNS ( and

Is Comcast DNS good?

While many ISPs offer DNS services, Comcast dynamic DNS is by far the best on the market; however, there are other options that we will discuss later.

What is the 8.8 4.4 DNS server?

8.8 is the primary DNS, 8.8 is the secondary DNS. The secondary one is 4.4. Google DNS is a free service that anyone with an Internet connection can use. You can use Google servers IP addresses instead of those provided by your ISP as alternate DNS to resolve Internet names faster and improve your security.

Why is 8.8 8.8 a popular DNS server?

It is simply an additional DNS server option. Actually, it is Google’s DNS server, which means that Google provides the DNS and maintains this service, making it “more reliable” than other DNS servers due to the fact that it is maintained by one of the world’s largest IT companies.


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I'm a tech writer and editor. I love technology. I'm excited about networking and streaming. I'm always looking for new and exciting ways to use technology. I believe technology can be a force for good in the world, and I strive to use it in my work.

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