New DNS Server Not Responding fix On Comcast Xfinity: How To Fix

It is a detailed step-by-step resolution for the Xfinity DNS server not responding to repair in 2022 for points, issues, and settings using 4 official methods. When the gadget fails to hook up with WiFi and the web, the ‘Area Title System’ turns unresponsive.

Comcast Xfinity DNS Server Is Not Responding

You will have seen the “DNS Server Not Responding” subject whereas shopping the net in Chrome.
Maybe you got here throughout it whereas viewing particular websites, or maybe all of them.
Normally, we simply catch a glimpse of it earlier than it resolves itself.
On a vivid Friday morning, such was not the case for me.
Within the afternoon, I had a presentation and a dash assembly, my insurance coverage cost was due, and my girlfriend deliberate to return over later for supper and a few Netflix and chill.
My hectic schedule wouldn’t have bothered me if it hadn’t been for a DNS server subject that had appeared on Edge because the morning.
My morning consisted of espresso photographs and ‘Hail Mary!’ makes an attempt to bond.
I phoned Comcast, and so they instructed me that they might resolve the difficulty.
However I could not afford to hold about an hour earlier than my assembly, and it was time to get to work.
I started trying to find boards and blogs on my cellphone and even known as a techie acquaintance.
A modem reset solved the issue in lower than a minute! I used to be again on-line and able to start my lengthy day.
Lastly, I made a decision to put in writing an essay as a troubleshooting information to help you in recovering from a DNS server error spiral.

Reboot your modem or router and verify all exterior wirings to resolve the DNS server not responding subject on Comcast’s Xfinity web. Then, both take away the surplus DNS cache or disable capabilities corresponding to peer-to-peer Home windows updates, antivirus, and firewall safety. Lastly, if the whole lot else fails, attempt a router firmware improve or arduous reset.

What exactly is a DNS Server?

Assume you wish to purchase hand towels out of your favourite on-line retailer, so that you go to

As soon as accomplished, you might be desperate to study what your buddies are as much as. So, you go to

It has been a protracted day at work, and the drive house requires canine movies and memes as soon as extra.

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What I am describing here’s a world with out a Area Title System (DNS).

To establish and entry an internet site on the web, it has a singular logical deal with known as an IP deal with.

Nonetheless, we use domains corresponding to or to immediately entry web sites.

Pure language, nonetheless, shouldn’t be the machine normal.

In consequence, internet browsers talk the area identify to the DNS server through the router.

It’s reworked by the server, and the corresponding IP deal with is returned.

You’ll be able to presume that the DNS server has a phonebook.

The DNS server compares the requested area and finds a match.

What Does DNS Server Failure Imply?
Even when your gadget is linked to the web, you could obtain the error message.

“DNS server not responding” often signifies that the DNS server is unable to translate a site identify to an IP deal with.

Moreover, if it fails to translate the area identify, we will probably be unable to go to the location we’re searching for.

An alternative choice is that the DNS server has restricted or denied entry to the focused web sites.

To entry web sites, a DNS server should first course of your request (consumer request).

Causes of DNS Points

It’s common for an ISP service outage to trigger the DNS servers to be quickly unavailable.

In consequence, it’s an uncontrollable variable over which you don’t have any management.

Nonetheless, earlier than you hand over your destiny to them, there are just a few fundamental troubleshooting procedures you could do to search out and resolve the core reason behind the error.

Following are a number of observations that lead to a ‘DNS server not responding error –

  • Issues with exterior wiring
  • Restart or reset your modem/router.
  • Extra DNS cache reminiscence is the reason for navigation throttling.
  • Issues with internet browsers
  • Incorrect DNS entry or service interruption
  • Router firmware that’s outdated
  • Pending Replace Community Adapter Driver
  • Whereas you will have some community configuration data or be a whole novice, I
  • created this text with inclusivity in thoughts.

We’ll stroll you thru every methodology and help you to find the quickest reply.

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The issue’s causes

There are quite a few causes of Xfinity DNS points, and some of them are listed right here.

Cables, wires, and fibers which have damaged.
Router has been broken.
The gadget shows the wrong date and time.
DNS Misconfiguration Gadgets Overload, amongst different issues.
With that in thoughts, let us take a look at how one can repair Xfinity DNS issues.

1. Look at WiFi Cables – Exterior Points

Xfinity or Comcast connects your router to the web through wires, almost definitely fiber optic cables. You should totally examine such wires since if any wire is damaged, the web is minimize. With a correct energy provide, the lights on the router might blink, however the web won’t work.

Not simply in your house community, however any cable breakdown in your total space as a consequence of accidents or pure calamities corresponding to wind, storm, and so forth, would possibly trigger issues. In consequence, you have to conduct some research on the factors the place it could be damaged and restore them, or alert the authorities if your entire space is down.

2. Reboot the router.

Restarting the router, both bodily or electronically, would possibly generally assist to resolve the Xfinity dns difficulties 2021. To make use of manually, disconnect the adapter from the facility provide after which plug it again in after at the very least 10-20 seconds. It would then take roughly 5-10 minutes to renew.

To carry out this motion nearly, obtain the Xfinity cell app and comply with the steps outlined beneath.

In your Android or iOS smartphone, launch the Xfinity app.
Enter your username and password to entry your account.
Faucet on the three vertical strains within the higher left nook of the display screen to open the menu.
Select “Web.”
Then choose the “Wi-fi Gateway” choice.
Choose “Restart this gadget.”
Choose “Restart Machine” to verify the process.
Wait 5-10 minutes for the method to complete.
Change DNS Addresses – Inside Errors
On this part, we’ll take away the system default Area Title Techniques from our Android and change them with customized DNS. A radical process for Android and different options might be present in a separate devoted web page right here. Moreover, these are the actions to do provided that there are not any damaged wires or in case your ISP shouldn’t be limiting your connection.


On Android, go to Wifi Settings.
Choose ‘Overlook’ after clicking on the community.
Reconnect to the community utilizing the proper username and password.
Test to see whether it is operational.
If it says “Related, no web,” click on the chevron proper arrow subsequent to the community identify to disclose additional potentialities. To entry these choices, you could have to long-press on the identify on some gadgets.
Choose “Static” from the “Ip Settings” menu.
Scroll down and enter into DNS 1.
Likewise, enter into DNS 2.
Save the settings and verify to see whether or not it’s now working.
The procedures for altering DNS on an Xfinity router differ from gadget to gadget and from working system to working system. Try our complete information to resolving DNS server inside issues in Home windows 10.

4. Decrease gadget overload

When you could have too many useless devices linked to your community, it might probably decelerate your web connection. When it takes too lengthy to attach, your browser might show a DNS server not responding Xfinity error.

In consequence, you possibly can log in to the wifi website and hold the variety of linked gadgets throughout the most allowed restrict. It would decrease the load on information switch whereas growing loading pace, therefore resolving the difficulty.

Dispelling Myths

1. What’s the DNS server not responding to?

It’s a sort of typical error that an digital gadget or browser exhibits when its system fails to hook up with the world vast internet, also referred to as the web, for a wide range of causes.

2. What ought to be performed if the DNS server fails to reply?

Before everything, decide whether or not any wires or cables have been severed which have disconnected our router from the ISP line. Second, be sure that we’ve got a ample quantity in our Xfinity account and that no renewal is required at this second. After that, verify to see if there are any gadgets overflowing your community based mostly on the web plan you have chosen. Moreover, we will attempt altering the system default DNS to an alternate Google DNS, which can help to resolve the Xfinity wifi DNS server not responding subject.

3. How do I modify the DNS settings on my Xfinity router?

Truly, we won’t change the DNS on any community, not simply the Xfinity router. It’s past our (consumer’s) management. Nonetheless, we’ve got the flexibility to alter the DNS settings on every linked gadgets, whether or not they be Android, Home windows 10, Linux, Mac, or iOS. The procedures to replace DNS might differ relying on the working system, considered one of which is acknowledged above (Android).

4. What’s the process for resetting my Xfinity router?

You’ll be able to reset your Xfinity router in two methods: manually or nearly through the app, as mentioned beforehand within the article. Probably the most fundamental method is to unplug the router’s adapter from the facility supply after which reconnect it after 10-20 seconds. It will reset your Xfinity router, and it’ll take 5 to 10 minutes for it to restart correctly.


5. How do you identify whether or not DNS is operational?

To see if the DNS is working correctly, join a number of gadgets to the identical community and see if all of them are affected. Equally, we will experiment with totally different DNS server addresses, such because the one acknowledged in resolution 3, in addition to resetting the DNS servers.

Take away DNS Cache Reminiscence

Your DNS lookup historical past is saved in DNS cache reminiscence.

It permits your pc to search out an IP deal with quicker with out continuously accessing the exterior DNS server.

When visiting numerous web sites continuously, the precept works effectively.

Nonetheless, cache reminiscence continuously incorporates out-of-date data and might stifle our internet shopping expertise.

Moreover, with out frequent cleanup, it might probably hold over 30,000 information and trigger the DNS server transaction to take longer than deliberate.

In consequence, clearing the DNS cache frequently is totally protected and suggested, and the processes are as follows –

To open the Command Immediate window, sort ‘cmd’ into the Search field. You should execute it as a system administrator.
Earlier than rebooting and shopping a webpage, enter the next instructions, urgent Enter after each.
>> ipconfig/flushdns >> ipconfig/registerdns >> ipconfig/launch

Be certain that the DNS server deal with is right.

With just a few easy steps, you possibly can change your DNS server deal with in your pc’s community settings.

Your default DNS server setting is decided by your ISP, on this case, Comcast.

This is how one can be certain the settings aren’t tousled:

Go to ‘Community Connections’ by urgent Win + X. You may as well go to Management PanelNetwork and Web Community Connections.
Proper-click on the related connection, corresponding to Ethernet or WiFi, and choose Properties. Select ‘Properties.’
The Networking tab ought to seem within the new window. Then, within the record of “The connection makes use of the next parts,” select “Web Protocol Model 4 (TCP/IPv4).”
Proper beneath the record, click on on Properties.
Choose the radio choice that claims “Use the next DNS server addresses.”
You might verify and even change the present DNS server addresses from this web page. Affirm the settings with Comcast and insert any new addresses offered.
Use a Totally different Net Browser
Switching browsers might look like a minor step, but it could be simply what you require.

For instance, when you’re at the moment utilizing Chrome, attempt Edge or Firefox.

In the event you do not have already got one put in, they’re free on the writer’s web site, so it would not hurt to get one other.

To obtain the installer and transfer it to the primary gadget, you will want to make use of one other gadget.

As a result of a pending improve or service outage, the DNS server error could also be restricted to a browser.

Use Secure Mode on Your Laptop

I get pleasure from using Secure Mode to troubleshoot glitches.

In protected mode, the working system solely masses the required recordsdata and drivers.

It’s easy to make use of and boots the system with none third-party apps that may intrude with the connection.

To activate protected mode in your system, comply with these 5 easy steps:

Choose the Energy choice from the Begin Menu.
Shift-click your keyboard and decide Restart from the dialog field.
When the protected mode choices show, choose Troubleshoot.
Select Superior Settings, then Startup Settings, and eventually Restart.
By hitting F5, you can begin your pc in Secure Mode with Networking.
Flip off firewalls and antivirus software program.

To deal with our safety issues, all of us depend on firewall settings and third-party antivirus software program.

Even one of the best could make errors every now and then.

They often restrict web entry to a particular web site.

In consequence, earlier than logging on, you possibly can cease your antivirus or alter the Firewall Settings in your Comcast Xfinity Router.

It is just a brief measure, and I strongly advise you to reset your settings as soon as you might be completed.

Further requirements apply to particular safety options.

Avast prospects, for instance, should disable the Safe DNS choice in settings.

You will need to word that your system shouldn’t be prone throughout the deactivation interval as a result of Home windows Defender works tirelessly within the background to maintain you protected.

Disabling the router’s firewall, alternatively, exposes your total system.

In consequence, I might not advocate this strategy to anybody, however you should use it quickly for troubleshooting.

Disable the Home windows Peer-to-Peer characteristic.
The peer-to-peer functionality permits customers to obtain the newest Home windows updates from different customers.

Moreover, as a result of the community turns into decentralized, it enhances pace and efficiency by lowering DNS server errors.

Listed below are the strategies to show off the characteristic:

By clicking Win+I, you possibly can entry Home windows settings. Choose Replace and Safety, then Superior choices.
Choose the alternatives for “Select how updates are delivered.”
Toggle off the “Updates from a couple of location” setting.
Replace Driver for Community Adapter
Community drivers are the software program that connects the pc to the community.

It manages community settings and ensures optimum efficiency supply.

Whereas most community drivers are mechanically up to date, this might not be the case for older gadgets or out of date working techniques.

This is how you could manually verify and resolve –

To open the Fast Launch menu, press Win+X and choose Machine Supervisor.
Increase the Community Adapters record to see your whole system’s put in community adapters.
Proper-click on the related driver and choose both replace or uninstall.
Reboot your machine after clicking Uninstall.
While you restart your pc, the default community driver is put in.
You may as well manually obtain the motive force from the producer’s web site utilizing one other gadget.

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Please understand that it’s suitable together with your system.

Firmware Improve for Your Router

Router firmware is a software program bit that’s throughout the {hardware}.

It permits you to straight personalize the router, corresponding to setting the login data.

Firmware issues are extra frequent on wi-fi networks.

Nonetheless, earlier than performing a reset or replace, make a backup of your settings.

There are just a few different necessities earlier than you could replace the router firmware –

Secure web connection, which is why I like to recommend using an Ethernet cable to attach the router to your gadget. is the default router IP deal with.
Login data
Now that you’ve got the knowledge, you might be able to improve the firmware in your router –

Open an online browser and kind within the IP deal with
Enter your login data (often discovered within the consumer handbook)
On the left pane, choose Firmware.
You need to see the newest firmware data, corresponding to the discharge date and model. Then, ideally, carry out a scan to mechanically detect any pending updates.
To make a handbook improve, go to the Comcast Xfinity web site and browse for the newest firmware launch. Get it now.
Add the file and run the replace within the Replace part. Maintain your breath as a result of it could take a while.
Firmware updates continuously fail, nevertheless it’s price a shot earlier than resorting to a full router reset.

They’re additionally able to resolving Dynamic Vary Window Violation Errors.

Reset the Router

When troubleshooting fails, we resort to an excellent old school arduous reset.

Resetting your router ought to take not more than a minute.

It does, nonetheless, restore to manufacturing facility default settings, which suggests you lose your whole personalised community settings, corresponding to login data.

On the plus aspect, you possibly can reconfigure it once more, and the router firmware is up to date.

Listed below are the actions to take:

Find your router’s reset button. It is often situated on the again panel.
Press it down for about 15 seconds with a paper clip or pin.
The router mechanically powers down and reboots.
Reconfigure the router settings within the browser as soon as extra.
Basically, the router is returned to its unboxed manufacturing facility type. It ought to repair your DNS server points.

Contact Buyer Service

If the entire troubleshooting measures taken to this point fail, it’s best to enlist the assistance of execs.

You’ll be able to contact Comcast tech assist through cellphone, chat, or e-mail.

All the data is accessible on the web site.

The Comcast assist crew might study your router configuration and community settings and notify you of any service disruptions that might be inflicting the DNS server downside.

They could additionally schedule a upkeep appointment with you to guage and restore any potential points.

Remaining Ideas on DNS Server Failure

Comcast doesn’t assist you to change the DNS server settings past those they advocate.

Nonetheless, there’s a resolution in which you’ll make the most of a bridge modem together with the Xfinity router to profit from public DNS servers. Nonetheless, even with xfinity bridge mode, there will probably be no web if it isn’t correctly configured.

DNS servers are categorised into two varieties:

Non-public DNS servers – corresponding to Comcast’s – Public DNS servers – corresponding to OpenDNS or Google DNS
A public DNS server is a superb substitute for the default ones.

In fact, there are specific restrictions, corresponding to not accessing all distinctive Xfinity options. In the event you’re making an attempt to handle this downside by switching ISPs, remember that DNS difficulties on Spectrum and different ISPs, corresponding to DNS Resolve Failing on CenturyLink, can happen.

Nonetheless, it’s reliable, safe, and might considerably enhance connection efficiency.

For additional particulars on the levels, see the part on altering DNS settings.

You Would possibly Additionally Prefer to Learn:
Forgot your Xfinity Router Administrator password? Gradual Add Pace Reset: How you can Reset in Seconds
No Ranging Response Obtained-T3 Time-Out: Comcast Xfinity How you can Restore Comcast Xfinity Web Throttling: How you can Keep away from Generally Requested Questions
Is Comcast blocking DNS?
For safety causes, Comcast doesn’t permit altering DNS on its gadgets. It has the flexibility to intercept requests for a unique DNS server and redirect them to the Comcast one. Nonetheless, there are workarounds, corresponding to using a bridge or changing the router.

How can I re-establish my DNS settings?

Enter ‘cmd’ within the Search Bar to launch Command Immediate.
Within the command line, sort ipconfig/flushdns.
Restart your pc.
Is Comcast DNS superior to Google DNS?
Google DNS is well-known for offering quicker speeds and extra constant connections. Moreover, it offers an encrypted connection, making it an actual competitor to Comcast’s default DNS.

DNS servers from Google – Main: Secondary:
Is it protected to flush DNS?
Flushing is a safe and efficient methodology for clearing the DNS cache of any outdated or incorrect entries. It might enhance safety, enhance efficiency, and remove connection points.

DNS cache, alternatively, expires mechanically and doesn’t essentially require consumer intervention.

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