What Is DNS Failure? – Forbes Advisor – Forbes

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Updated: May 29, 2024, 5:22pm
We’ve all felt the annoyance of being in the middle of an online project, when seemingly out of nowhere a “DNS server not responding” error pops up, bringing everything to a grinding halt. While not uncommon, these errors are annoying and can slow down your entire day.
Thankfully, there are several ways to fix a DNS error quickly so that you can get back on track without too long of a disruption.
DNS stands for Domain Name System, which is the system that allows users to connect to websites by matching website domain names (such as forbes.com) to the unique location of the server where the website is stored.
Website IP addresses are made up of a long series of random numbers and periods. To make things easier, domain names are assigned in place of these number sequences, which is what you use to look up a website. The DNS connects the domain name with the IP number, and stores the domain names of websites users have visited in order to help them load faster.
A DNS failure occurs when users are unable to connect to an IP address via a domain name. A message will pop up that may say “DNS server not available” or “Server DNS Address could not be found.” Essentially, it’s like dialing a phone number and getting back a busy signal. There are multiple potential causes, but the end result is a failed connection.
There are many components that must work together seamlessly to ensure quick web access. DNS failure typically occurs when there is an issue with one of the following:
Sometimes simply exiting the browser completely for a few minutes will solve the problem. You can also try restarting your computer or mobile device. If a plain restart doesn’t work, look up the instructions for restarting in “Safe Mode” to disable extraneous functions that may be impacting your system.
Either press the power button or completely unplug the power cord, for at least 20 seconds. Then restart and see if the error is fixed after a few minutes. Also check for any available updates, as these may be needed in order to keep your router running smoothly.
If you have been browsing in Google Chrome, try switching over to Safari or Microsoft Edge for a bit. If this doesn’t work you can also try uninstalling, then reinstalling your preferred browser.
If the DNS error is being caused by your firewall or antivirus software, try disabling them temporarily. After turning them off manually, try opening the browser again to see if it’s working. If that did the trick, be sure to reactivate your firewall again right away.
Frequently visited websites are stored, or “cached,” to help them load faster. If you are trying to access a cached site that had a recent IP address update, you may get an error message. Clearing your browser’s cache should correct the problem. Be sure to look up instructions for your specific browser to ensure this is done correctly.
If there are any extra connections open, such as peer-to-peer features or Bluetooth, disable those and then try restarting the browser.
Double-check that all software, network adapters and drives are up to date. If any have outstanding updates that need to be completed, run those and then try restarting the browser.
This step will take a bit more effort, as you will need to locate the correct DNS settings via a network administrator or ISP. Once you have the settings, check them against the ones on your computer to confirm they are correct.
Sometimes it may be necessary to find another resource to help you troubleshoot a DNS error. If you are experiencing frequent problems, the cause could be your internet connection and you will need to contact your internet service provider (ISP). Your provider can check for any service or equipment complications that could be causing issues.
If everything is working correctly on the ISP’s end, it may be time to consider hiring a professional. Both big-box electronic chains and smaller, local IT stores typically offer on-site computer diagnostics and repairs. While this usually means dropping off your PC for a few days, it will be well worth the hassle to have the DNS issue resolved quickly.
DNS (Domain Name System) is the system that translates domain names into unique IP addresses that a browser can read.
DNS converts the website address you type into the address bar of your browser into the IP address, which is a series of numbers and periods.
DNS failure can occur for many reasons, including router or modem issues, problems with your browser or outages related to your internet service provider.
A domain name is a user-friendly web address that allows internet users to access your website. However, your website includes the files, images and any other data visitors interact with when they enter your website address.

Laura is a freelance writer specializing in small business, ecommerce and lifestyle content. As a small business owner, she is passionate about supporting other entrepreneurs and sharing information that will help them thrive. Her work has been featured on Angi, Scary Mommy and Cubby.
Cassie is a deputy editor collaborating with teams around the world while living in the beautiful hills of Kentucky. Focusing on bringing growth to small businesses, she is passionate about economic development and has held positions on the boards of directors of two non-profit organizations seeking to revitalize her former railroad town. Prior to joining the team at Forbes Advisor, Cassie was a content operations manager and copywriting manager.

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