How to Fix DNS Server Not Responding

March 24, 2026 By Nick Anderson No Comments 8 minutes

Have you ever tried to open a website only to get stuck with that frustrating message saying the DNS server is not responding? It is one of the most annoying internet problems out there. Your browser just keeps loading forever, and nothing happens. You might see it worded as DNS server is not responding or maybe it says you cannot reach the DNS server.

Sometimes it pops up as plain old DNS not responding, especially when you are on your home network. And if you are using wireless internet, the error often shows up specifically as the DNS server not responding to the Wi-Fi.

Note: FastestVPN is a fast and secure VPN that delivers lightning-fast speeds, strong encryption, and reliable DNS protection to fix connection issues instantly.

Get FastestVPN

Why Does the DNS Server Not Responding Happen in the First Place

Figuring out the cause makes it easier to pick the right fix and get it done quicker. Here are the most common reasons people see this error every single day, explained without any complicated jargon.

Your router or modem can sometimes get overloaded or confused and stop talking nicely to the DNS. This is extra likely if you notice the DNS server not responding to the Wi-Fi all the time. Your internet provider might also have a temporary problem on their end because they handle millions of requests, and things slip through the cracks. On your own device, the settings could be pointing to an old or slow DNS server that is no longer working well. Your computer or phone keeps a cache of old DNS information to speed things up, but if that cache gets outdated, you end up with cannot reach DNS server.

Outdated network drivers are another sneaky culprit. The software that helps your device talk to the internet can become old and cause blocks. Too many gadgets connected to the same Wi-Fi at once can create traffic jams that drop DNS requests. In some cases, malware or a virus changes your DNS settings behind the scenes. There are also times when the newer IPv6 system fights with the older one and creates conflicts. Even your firewall or security software can accidentally block things if it is set too strictly. And sometimes it is something as basic as a loose cable or a recent power outage that throws everything off.

Any one of these can cause the DNS server is not responding error. The nice thing is you can test them one at a time without needing outside help. Most folks solve the whole thing at home in less than ten minutes once they know where to look.

Simple Fixes You Can Try Right Now

Start from the top and test after each one by opening a browser tab and trying to load a site. If it works, you are good to go. If not, move to the next.

Restart Everything: The Quickest Fix for Most Cases

This might sound way too basic, but it solves the DNS server not responding problem for a huge number of people. Restarting clears out temporary mix-ups that build up over time.

Shut down your computer or phone all the way. Unplug your router and modem from the wall and wait a full minute. Plug the modem back in first and give it time for all the lights to settle down. Then plug the router back in and wait another minute. Turn your device on and connect to the Wi-Fi again.

If you are dealing with a DNS server not responding to Wi-Fi, this should be the very first thing you try. It refreshes the entire connection between your gadgets and your internet provider. Plenty of people tell me they restarted once, and the error disappeared like magic.

Clear Out the Old DNS Cache

Your device stores old DNS details to load pages faster, but sometimes that stored info goes bad. Clearing it forces your computer to grab fresh information.

On a Windows computer, hit the Windows key and type cmd. Right-click on Command Prompt and choose Run as administrator. Then type these lines one after another, hitting enter after each.

ipconfig /flushDNS

ipconfig /release

ipconfig /renew

Close the window and restart your browser.

On a Mac, open Spotlight by hitting Command and Space, then type Terminal. Enter this command.

sudo dscacheutil -flushcache

Type your password when asked and hit enter. This tiny step fixes DNS not responding when stale data is the only issue, and it takes about twenty seconds.

Switch to a Different Public DNS Server

Your internet provider’s DNS might be slow or down completely. Basically, switching to a free public one is one of the most reliable ways for how to fix DNS server not responding.

On Windows, right-click the Wi-Fi icon in the bottom right and open network settings. Click Change Adapter Options. Right-click your active connection and pick properties. Scroll to Internet Protocol Version 4, click it, then Properties. Select the following DNS server addresses and enter these numbers.

Preferred DNS server 8.8.8.8

Alternate DNS server 8.8.4.4

Hit okay all the way through and test a website.

On a Mac, go to System Settings, then Network, then Wi-Fi details, and the DNS tab. Add 8.8.8.8 and 8.8.4.4 and move them to the top. Google DNS is fast and stable. If the error still shows up, try the Cloudflare addresses instead, 1.1.1.1 and 1.0.0.1. A lot of users make this change once and never see the problem again.

Special Tricks When It Only Happens on Wi-Fi

If the error shows up only on wireless but works fine when you plug in a cable, here is what to do.

Forget the network completely on your device, then reconnect fresh with the password. Move a little closer to the router because a weak signal can cause the DNS server not to respond to Wi-Fi. You can also log into your router settings, usually at the address 192.168.1.1, and change the wireless channel to 1, 6, or 11 to reduce interference. Another quick move is to disable your Wi-Fi adapter in Device Manager, wait ten seconds, and enable it again. These steps fix the handshake between your router and device and get things running smoothly.

Update or Refresh Your Network Drivers

Old drivers can quietly cause a problem that prevents the computer from reaching the DNS server without any warning.

Open Device Manager by right-clicking the Start button. Expand the network adapters section. Right-click your Wi-Fi or Ethernet card and choose Update Driver. Let it search automatically. If it says the drivers are already current, try uninstalling the device instead, then restart your computer so Windows reinstalls them fresh. This takes barely two minutes, but it clears up a surprising number of stubborn cases.

Reset the TCP IP Settings and Winsock

Basically, these are the behind-the-scenes parts that handle internet communication, and they can get corrupted.

Open the command prompt as administrator again and run these commands one by one.

netsh winsock reset

netsh int ip reset

ipconfig /release

ipconfig /renew

ipconfig /flushDNS

Restart your computer when you finish. This rebuilds the communication paths and knocks out the DNS server not responding caused by messed-up settings. It is completely safe, and something tech support uses all the time.

Turn Off IPv6 for a Quick Test

Sometimes the newer IPv6 system clashes with everything else.

Go back to the network adapter properties as we did earlier and uncheck the box for Internet Protocol Version 6. Click okay and try loading a site. If it works, you can leave it off or check with your provider about it. This simple toggle solves many DNS not responding errors on modern setups.

Check for Malware and Pause Extra Security Tools

Run a fast scan with your built-in antivirus. Also, turn off any third-party firewall or security program for a minute to test. Bad software sometimes hijacks DNS settings, so a clean scan can make all the difference.

A good VPN can also solve the DNS server not responding issue in many cases. It creates a secure tunnel and uses its own reliable DNS servers, so the usual problems stop happening. FastestVPN works really well here because it has fast servers and strong DNS protection built right in.

Overall, you can set up FastestVPN in just a couple of minutes, connect to any server, and browse without interruptions. It works on every device and adds privacy at the same time.

FAQs

What does DNS server not responding actually mean?

It means your device asked for help finding a website but never got an answer back. Think of it like dialing a phone number and hearing nothing. Usually, a restart or quick DNS change fixes it right away.

Why does the error only happen on Wi-Fi and not on mobile data?

Wi-Fi relies on your home router, which can glitch out more easily. Mobile data uses your phone company's network, which tends to be steadier. The DNS server is not responding. Wi-Fi tips above usually clear it up fast.

Can I fix the DNS server that is not responding without touching my router?

Yes absolutely. Clearing the DNS cache or switching to Google DNS works entirely on your computer or phone. No router changes needed at all.

Is it safe to change DNS settings to fix the "can't reach DNS server’’?

It is totally safe. Public options like Google DNS are free, fast, and used by millions every day. They do not track you or cause any harm, and they often make your browsing quicker, too.

How long should I wait after each fix before trying the next one?

Just thirty seconds. Open a new tab and try google.com. If it loads, you are done. If not, move straight to the next step. No long waits required.

Final Words!

That covers everything you need to know about how to fix a DNS server not responding. From quick restarts to changing DNS servers and using a reliable VPN for lasting help, you now have every option laid out in simple steps. So, the next time you see a DNS server that is not responding, or cannot reach a DNS server, or a DNS server is not responding on Wi-Fi, you can handle it fast and get right back to what you were doing.

Most of these issues are small and easy to sort out at home. You do not need to call for help or spend any money.