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How to Fix DNS Server Not Responding Error in Windows 10

How to Fix DNS Server Not Responding Error in Windows 10

Resolve DNS connectivity issues preventing internet access through systematic troubleshooting from basic network resets to advanced DNS configuration changes.

Emanuel DE ALMEIDAEmanuel DE ALMEIDA
March 17, 2026 15 min 7
easydns 9 steps 15 min

What Causes DNS Server Not Responding Errors?

The "DNS server not responding" error is one of the most frustrating network issues you'll encounter as a Windows user. When this happens, your computer can't translate website names like google.com into IP addresses, effectively cutting off your internet access even though your network connection appears active.

This problem typically stems from several common causes: your ISP's DNS servers experiencing outages or performance issues, corrupted DNS cache on your local machine, outdated or faulty network adapter drivers, firewall or antivirus software blocking DNS queries, or conflicts between IPv4 and IPv6 protocols. Sometimes the issue is as simple as a router that needs restarting, while other times it requires more advanced troubleshooting.

Why Follow This Systematic Approach?

Rather than randomly trying different fixes, this tutorial provides a methodical approach that starts with the simplest solutions and progresses to more advanced techniques. Each step builds on the previous one, ensuring you don't waste time on complex solutions when a simple restart might solve the problem.

You'll learn to use Windows' built-in diagnostic tools, manually configure DNS servers with reliable public alternatives like Cloudflare (1.1.1.1) and Google (8.8.8.8), and perform network resets that restore your connection to a clean state. By the end of this tutorial, you'll not only fix your current DNS issue but also understand how to prevent and quickly resolve similar problems in the future.

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Implementation Guide

Full Procedure

01

Run Windows Network Troubleshooter

Start with Windows' built-in diagnostic tool to identify obvious network issues. This automated troubleshooter can resolve common DNS problems without manual intervention.

Right-click the network icon in your system tray (bottom-right corner). Select Troubleshoot problems from the context menu. Windows will launch the Network troubleshooter and automatically scan for issues.

Follow the on-screen prompts and allow the troubleshooter to apply any recommended fixes. The process typically takes 2-3 minutes and may restart your network adapter.

Pro tip: Even if the troubleshooter reports "no issues found," continue with the remaining steps as DNS problems often require manual fixes.

Verification: Open your web browser and try accessing a website like google.com. If the issue persists, proceed to the next step.

02

Flush DNS Cache

Clear your computer's DNS cache to remove corrupted or outdated DNS entries that might be causing connectivity issues.

Press Win + R to open the Run dialog. Type cmd and press Ctrl + Shift + Enter to open Command Prompt as administrator. Click Yes when prompted by User Account Control.

In the Command Prompt window, type the following command and press Enter:

ipconfig /flushdns

You should see the message "Successfully flushed the DNS Resolver Cache." This confirms the cache has been cleared.

Verification: Try accessing a website again. The first page load might be slightly slower as your computer rebuilds the DNS cache with fresh entries.

03

Restart Your Router and Modem

Power cycle your network equipment to resolve potential ISP DNS server issues or router configuration problems.

Unplug the power cable from your modem first, then unplug your router (if separate). Wait at least 30 seconds to ensure all capacitors discharge completely.

Plug the modem back in first and wait for all status lights to stabilize (usually 2-3 minutes). Then plug in your router and wait for it to fully boot up and establish connection.

Warning: Don't rush this process. Plugging devices back in too quickly can cause connection issues that require additional troubleshooting.

Verification: Check that your computer reconnects to the network automatically. Open Command Prompt and run ping google.com to test connectivity.

04

Perform Network Reset

Reset all network adapters and configurations to their default state. This resolves issues caused by corrupted network settings or conflicting configurations.

Open Windows Settings by pressing Win + I. Navigate to Network & Internet, then scroll down and click Network reset in the left sidebar.

Click the Reset now button. Windows will warn you that this will remove and reinstall all network adapters and reset networking components to their original settings. Click Yes to confirm.

Your computer will automatically restart after the reset completes. Upon restart, you'll need to reconnect to your Wi-Fi network if applicable.

Verification: After reconnecting to your network, test internet connectivity by opening multiple websites to ensure the DNS issue is resolved.

05

Change DNS Servers Manually

Replace your ISP's potentially unreliable DNS servers with public alternatives like Cloudflare or Google DNS. This is often the most effective solution for persistent DNS issues.

Press Win + R, type ncpa.cpl, and press Enter to open Network Connections. Right-click your active network adapter (Wi-Fi or Ethernet) and select Properties.

In the Properties dialog, select Internet Protocol Version 4 (TCP/IPv4) and click Properties. Choose Use the following DNS server addresses and enter:

  • Preferred DNS server: 1.1.1.1 (Cloudflare)
  • Alternate DNS server: 1.0.0.1

Alternatively, you can use Google DNS:

  • Preferred DNS server: 8.8.8.8
  • Alternate DNS server: 8.8.4.4

Click OK to close both dialog boxes, then restart your computer to ensure the changes take effect.

Pro tip: Cloudflare's 1.1.1.1 is generally faster than Google's 8.8.8.8, but both are reliable alternatives to ISP DNS servers.

Verification: Open Command Prompt and run nslookup google.com to confirm your new DNS servers are being used.

06

Disable IPv6 Protocol

Temporarily disable IPv6 to eliminate potential conflicts between IPv4 and IPv6 DNS resolution that can cause connectivity issues.

Return to your network adapter properties by pressing Win + R, typing ncpa.cpl, and pressing Enter. Right-click your active adapter and select Properties.

In the Properties dialog, locate Internet Protocol Version 6 (TCP/IPv6) and uncheck the box next to it. Click OK to apply the changes.

Restart your computer to ensure the IPv6 protocol is fully disabled and IPv4 takes precedence for all DNS queries.

Warning: Some modern services require IPv6. If you experience issues with specific websites or services after this step, re-enable IPv6 by checking the box again.

Verification: Test internet connectivity with multiple websites. If issues persist, you can re-enable IPv6 and continue to the next troubleshooting step.

07

Update Network Adapter Drivers

Ensure your network adapter drivers are current, as outdated or corrupted drivers can cause DNS resolution failures.

Right-click the Start button and select Device Manager. Expand the Network adapters section and locate your active network adapter (usually contains "Wi-Fi" or "Ethernet" in the name).

Right-click your network adapter and select Update driver. Choose Search automatically for drivers and allow Windows to download and install any available updates.

If Windows reports that the best drivers are already installed, try uninstalling the driver instead. Right-click the adapter, select Uninstall device, and restart your computer. Windows will automatically reinstall the driver with a fresh configuration.

Verification: After the driver update or reinstallation, check Device Manager to ensure no warning icons appear next to your network adapter. Test internet connectivity to confirm the DNS issue is resolved.

08

Release and Renew IP Configuration

Force your computer to obtain a fresh IP address and DNS configuration from your router or ISP to resolve potential IP conflicts or stale network settings.

Open Command Prompt as administrator by pressing Win + R, typing cmd, and pressing Ctrl + Shift + Enter. Click Yes when prompted by User Account Control.

Execute the following commands in sequence, pressing Enter after each:

ipconfig /release

Wait for the command to complete (your internet connection will temporarily disconnect), then run:

ipconfig /renew

The renewal process may take 30-60 seconds as your computer negotiates a new IP address with your router.

Verification: Run ipconfig /all to display your new network configuration and confirm you have received valid IP and DNS server addresses.

09

Test in Safe Mode with Networking

Boot into Safe Mode with Networking to determine if third-party software, drivers, or services are interfering with DNS resolution.

Hold the Shift key while clicking Restart from the Start menu. In the recovery environment, select Troubleshoot > Advanced options > Startup Settings > Restart.

When the Startup Settings menu appears, press 5 to select "Safe Mode with Networking." Windows will boot with minimal drivers and services loaded.

Once in Safe Mode, test your internet connection by opening a web browser and visiting several websites. If DNS works correctly in Safe Mode, the issue is likely caused by third-party software or drivers.

Pro tip: If DNS works in Safe Mode, consider recently installed software, antivirus programs, or VPN clients as potential culprits. Uninstall or disable them one by one to identify the cause.

Verification: Compare DNS performance between Safe Mode and normal boot. If Safe Mode works but normal boot doesn't, focus on identifying conflicting software or services.

Frequently Asked Questions

What does DNS server not responding mean in Windows 10?+
This error indicates your computer cannot communicate with DNS servers to translate website names into IP addresses. While your internet connection may be active, you cannot access websites because domain name resolution is failing. The issue can stem from ISP DNS problems, local cache corruption, or network configuration conflicts.
Should I use Cloudflare 1.1.1.1 or Google 8.8.8.8 DNS?+
Both are excellent public DNS services that are more reliable than most ISP DNS servers. Cloudflare's 1.1.1.1 is generally faster and focuses on privacy, while Google's 8.8.8.8 has been around longer and offers slightly better compatibility with older systems. For most users, Cloudflare 1.1.1.1 with alternate 1.0.0.1 provides the best performance.
Will changing DNS servers slow down my internet?+
No, switching to public DNS servers like Cloudflare or Google typically improves internet speed and reliability. These services use global networks with faster response times than most ISP DNS servers. You may notice faster website loading times, especially for the first visit to new websites, as DNS queries resolve more quickly.
Why does flushing DNS cache fix connection problems?+
Your computer stores DNS lookup results in a local cache to speed up repeat visits to websites. However, this cache can become corrupted or contain outdated information when DNS servers change. Flushing the cache forces your computer to perform fresh DNS lookups, resolving issues caused by stale or incorrect cached entries.
Is it safe to disable IPv6 to fix DNS issues?+
Temporarily disabling IPv6 is safe for troubleshooting DNS problems and won't harm your system. Most websites and services still work perfectly with IPv4 only. However, some modern services and internal corporate networks require IPv6, so re-enable it if you experience issues with specific applications or services after disabling it.
Emanuel DE ALMEIDA
Written by

Emanuel DE ALMEIDA

Microsoft MCSA-certified Cloud Architect | Fortinet-focused. I modernize cloud, hybrid & on-prem infrastructure for reliability, security, performance and cost control - sharing field-tested ops & troubleshooting.

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