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How to Fix “DNS Server Not Responding” Error: A Complete Guide

Are you trying to access a website but keep getting the frustrating “DNS Server Not Responding” error? Don’t worry! This issue is common and can be resolved with a few troubleshooting steps. In this guide, we’ll walk you through why this happens and how to fix it quickly.

What is a DNS Server?

The Domain Name System (DNS) translates domain names (like google.com) into IP addresses so your browser can load websites. If the DNS server fails to respond, your internet connection won’t work properly.

Why Do You See “DNS Server Not Responding” Error?

There are several reasons why you might be experiencing this issue:

  • Network Connection Issues – A poor or unstable connection can lead to DNS errors.
  • Faulty DNS Settings – Incorrect or outdated settings can prevent a proper connection.
  • DNS Server Outage – Sometimes, your ISP’s DNS server may be down.
  • Firewall or Security Software Blocking Access – Your antivirus or firewall might be interfering with the connection.
  • Router or Modem Problems – A misconfigured or outdated router can cause DNS failures.

How to Fix “DNS Server Not Responding” Error

1. Restart Your Router and Modem

  • Turn off your router and modem.
  • Unplug them for about 5 minutes.
  • Plug them back in and turn them on.
  • Check if the issue is resolved.

2. Try a Different Browser

  • If you’re using Chrome, switch to Firefox or Edge.
  • If the error disappears, the issue may be browser-related.
  • Clear your browser cache and update it to the latest version.

3. Disable Firewall and Antivirus Temporarily

  • Your security software might be blocking DNS requests.
  • Disable your firewall or antivirus temporarily.
  • Try reconnecting to the internet.
  • If this fixes the issue, add an exception for your DNS in the security settings.

4. Flush DNS Cache

  • Press Win + R, type cmd, and press Enter.
  • Type ipconfig /flushdns and press Enter.
  • Restart your computer and check your connection.

5. Change Your DNS Server

If your ISP’s DNS is down, try using a public DNS:

  • Google DNS: 8.8.8.8 and 8.8.4.4
  • Cloudflare DNS: 1.1.1.1 and 1.0.0.1

Steps to Change DNS Server:

  1. Open Control Panel > Network and Sharing Center.
  2. Click on your active connection.
  3. Select Properties > Internet Protocol Version 4 (TCP/IPv4).
  4. Click Use the following DNS server addresses.
  5. Enter the new DNS server addresses.
  6. Click OK and restart your connection.

6. Restart in Safe Mode with Networking

  • Restart your PC and press F8 (or Shift + Restart on Windows 10/11).
  • Select Safe Mode with Networking.
  • Check if the internet works—if yes, a third-party program may be causing the issue.

7. Reset Your Router to Default Settings

  • Press and hold the reset button on your router for 10-30 seconds.
  • Wait for it to restart and configure it again.
  • Check if the issue persists.

8. Update Network Drivers

  • Open Device Manager (Win + X > Device Manager).
  • Expand Network adapters.
  • Right-click your network driver and select Update driver.
  • Restart your computer.

9. Contact Your ISP

  • If none of the solutions work, contact your Internet Service Provider.
  • Ask if there are DNS issues or network outages in your area.

Conclusion

The “DNS Server Not Responding” error can be frustrating, but it’s usually easy to fix. By following these steps, you can quickly troubleshoot and restore your internet connection. If the problem persists, switching to a reliable public DNS like Google or Cloudflare can often solve the issue.

Frequently Asked Questions (FAQs)

1. What causes the “DNS Server Not Responding” error?

This error can be caused by network issues, incorrect DNS settings, security software interference, or an outage from your ISP.

2. Is it safe to change my DNS server?

Yes! Switching to a trusted public DNS like Google DNS or Cloudflare can improve speed and security.

3. How often should I flush my DNS cache?

Flushing your DNS cache once a month can help resolve connectivity issues and improve browsing speed.

4. Can a VPN cause DNS issues?

Yes, some VPNs override your DNS settings, which can lead to errors. Try disabling the VPN to see if the issue resolves.

5. Why does my internet work on mobile but not on my PC?

This could be due to incorrect DNS settings, a network driver issue, or a problem with your computer’s connection settings.

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