• The domain name system is a naming system for computers, services, or other resources that are connected to the Internet.
  • But if the DNS is not accessible, you will not be able to browse the web properly.
  • If you’re having a network issue, check out our Network & Internet section.
  • For other software or PC problems, find solutions in our Technical Troubleshooting Center.

Here’s what to do if the DNS server cannot be reached

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Sometimes your network may not work properly because the DNS server is not accessible. This can be a problem and today we will show you how to fix it.

  • DNS server isn’t responding –This message may occur because of your antivirus program. Temporarily disable your antivirus to resolve the issue.
  • DNS server unavailable –If this message appears, try changing your DNS manually. Switch to OpenDNS or Google DNS.
  • Server IP address could not be found – Sometimes this problem is caused by a network outage. You can reset your network using Command Prompt.
  • DNS server cannot be contacted –Caused by network problems. Try running a network troubleshooter on your PC.

What can I do if the DNS server cannot be reached?

  1. Check your antivirus
  2. Change your DNS
  3. Use a VPN
  4. Using Command Prompt
  5. Use the Network Troubleshooter
  6. Configure your DNS to obtain an IP automatically
  7. Try using another device to access the internet
  8. Try restarting your router
  9. Delete the files from the etc directory

1. Check your antivirus

Here’s what to do if the DNS server cannot be reached

If you are having problems with the network, the first thing to check is your antivirus software.

If you’re using Windows 10, you’ll still be protected by Windows Defender even if you choose to remove your third-party antivirus, so you don’t have to worry about your security.

If removing your antivirus solves the problem, now might be the perfect time to switch to a different antivirus.

If you want reliable protection that won’t interfere with your system, we recommend that you consider Bitdefender Antivirus Plus.

This is not a simple antivirus, but a real security solution.

This is because Bitdefender Antivirus Plus not only guarantees live protection against malware, Trojan horses, worms and more, but also includes Social Media Protection, Secure Online Banking and Password Manager systems.

It even comes with a built-in VPN so your online privacy can be protected at all times by routing your traffic through secure servers.

But above all, the Bitdefender solution will not interfere with your DNS server or settings like other antivirus solutions.


2. Change your DNS

  1. Click the network icon on your taskbar and select your network connection from the menu.

Here’s what to do if the DNS server cannot be reached

2. In the right pane, click Change adapter options.

Here’s what to do if the DNS server cannot be reached

3. Right click on your network connection and choose Properties from the menu.

Here’s what to do if the DNS server cannot be reached

4. Select Internet Protocol Version 4 (TCP/IPv4) and click the Properties button.

Here’s what to do if the DNS server cannot be reached

Select Use the following DNS server addresses and set the following values: Preferred DNS server: 8.8.8 and Alternate DNS server: 8.4.4

Here’s what to do if the DNS server cannot be reached

5. Click the OK button to save the changes.
Note: You can also use Open DNS with the following servers: Preferred DNS Server 67.222.222 and Alternate DNS Server 67.220.220


3. Use a VPN

Here’s what to do if the DNS server cannot be reached

According to users, if the DNS server is not accessible, you may be able to solve the problem using a VPN. You will get a new IP address and your privacy will be protected while surfing the web.

Even if you don’t have this problem, having a good VPN is a great way to protect your privacy online.

There are many services available, but if you are looking for a good and reliable VPN, give private internet access a try.

First of all, this software protects your privacy, even from your ISP, and allows you to use public Wi-Fi networks without worrying about threats.

Having a different IP address will unblock a lot of new content from video-on-demand platforms such as Netflix, HBO GO, Amazon Prime Video, and others.

Best of all, private Internet access offers the fastest speeds, so be prepared for seamless, buffer-free streaming.


4. Use Command Prompt

  1. Search for cmd and choose Run as administrator to launch the command prompt.

Here’s what to do if the DNS server cannot be reached

2.Run these commands:

  • ipconfig /flushdns
  • ipconfig / registerdns
  • ipconfig / release
  • ipconfig / refresh
  • NETSH winsock reset catalog
  • NETSH int ipv4 reset reset.log
  • NETSH int ipv6 reset reset.log
  • Departure

5. Use the network troubleshooter

  1. Open the Settings app and go to the Update & Security section.

Here’s what to do if the DNS server cannot be reached

2. Select Troubleshoot in the left pane. In the right pane, select Internet Connections                 and  now click the Run Troubleshooter button.
3. Follow the prompts to complete the troubleshooter.

Note: If the problem persists, try running the Network Adapter Troubleshooter as well and see if that helps. Several users have reported that a troubleshooter fixed the problem for them so be sure to give it a try.


6. Set your DNS to Obtain an IP automatically

  1. Repeat steps 1 through 4 of solution 2.
  2. Select Obtain DNS Server Address Automatically and click OK to save the changes.

Here’s what to do if the DNS server cannot be reached

3. Now do the same for Internet Protocol version 6 (TCP/IPv6).


7. Try using a different device to access the Internet

Here’s what to do if the DNS server cannot be reached

If the DNS server is not accessible, the problem could be your PC settings. To determine if the problem is just your PC, it is recommended that you test other devices and see if they can access the Internet.

For best results, it is recommended to use a different Windows PC, but you can also use your phone or another device.

If other devices can connect to the Internet, the problem is probably related to your PC and its settings, so you can focus on solving the problem.


8. Try restarting your router

Here’s what to do if the DNS server cannot be reached

If this problem persists, the problem may be with your router. To fix the issue, users suggest restarting their router/modem and check if that helps.

This is quite easy to do and to do it just press the power button on your modem/router to turn it off.

Now wait about 30 seconds and press the power button again to start your modem or router. Wait while the device boots up completely and check if the problem persists.

9. Delete the files from the etc directory

  1. Navigate to the following folder:
    C: WindowsSystem32driversetc
  2. Delete all files in this folder, but we recommend that you back them up first, just in case.

Here’s what to do if the DNS server cannot be reached

Problems with DNS are preventing you from accessing the Internet, but if you have this problem, try some of our solutions.

For suggestions or additions, feel free to write to us in the comment section below.

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