How to Fix DNS Server Not Responding Error and Restore Your Internet Connection

The "DNS server not responding" error means your device can't contact the server that translates website names into IP addresses, preventing you from accessing the internet. This usually happens because of issues with your router, your internet service provider (ISP), or your device's network settings. You can fix it by restarting your equipment, checking cables, changing DNS servers, or running some network commands in order from simple to more advanced steps.

What Does DNS Server Not Responding Mean?

A DNS (Domain Name System) server works like an internet phone book, converting website names you enter into the numbers (IP addresses) computers need to find those sites. When your device can't reach this server, it can’t translate those names, so websites won’t load. The error message "DNS server not responding" means your device sent a request to the DNS server but received no reply, stopping you from browsing or using online apps.

What Common Problems Cause This Error?

This error can come from several sources. Your router could be stuck or overloaded, your ISP’s DNS servers might be down or slow, or your device’s network settings might be misconfigured or corrupted. Physical problems like loose cables or weak Wi-Fi can also interrupt communication with the DNS server. Often, the issue involves a combination of these factors rather than just one.

Before You Start

This guide applies to most home computers and devices running Windows, macOS, or Linux. You’ll need administrator or equivalent privileges to change network settings or run commands. Restarting your router or device doesn’t require special permissions.

Before making changes, check that all cables are firmly connected and your Wi-Fi signal is strong. Also, note the current DNS settings in case you need to revert them later.

How Can I Quickly Fix This Starting with the Easiest Steps?

Start with these basic steps, which often fix the problem without much hassle:

1. Restart your router and modem by unplugging them for about 30 seconds, then plug them back in. This refreshes their network connection.

2. Reboot your computer or device to clear any temporary glitches.

3. Check all Ethernet and power cables to make sure they’re secure.

4. Change your DNS server to a public one like Google’s (8.8.8.8 and 8.8.4.4) or Cloudflare’s (1.1.1.1) to bypass your ISP’s DNS.

To change DNS on Windows:

• Open Network settings.
• Select your active connection and open its properties.
• Manually enter the new DNS server addresses.

After each step, try loading a website to see if the issue is fixed. If not, move on to the next step.

What Advanced Fixes Can I Try if Basics Don’t Work?

If the simple steps don’t solve the problem, try these more technical fixes:

1. Reset your network settings on Windows by opening Command Prompt as Administrator and running these commands one by one:

netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns

These commands reset network components and clear the DNS cache.

2. Update your network adapter drivers through Device Manager to fix possible driver issues.

3. Temporarily disable VPNs or firewall software to see if they’re blocking DNS traffic.

4. Use Command Prompt to ping an IP address and then a domain name to test connectivity and DNS resolution:

ping 8.8.8.8
ping google.com

If pinging the IP works but the domain name fails, DNS is still the problem.

These steps require some technical knowledge but are safe if you follow them carefully.

How Do I Check if the DNS Problem Is Solved?

To confirm the problem is fixed, try opening websites in your browser. If pages load normally, the DNS issue is likely resolved.

You can also test from the Command Prompt or Terminal:

• Ping an IP address to check basic network connectivity:

ping 8.8.8.8

• Ping a domain name to test if DNS resolution works:

ping google.com

If pinging the IP address succeeds but pinging the domain name fails, DNS is still not working. Both succeeding means your DNS is working.

Finally, double-check your DNS settings to ensure any changes you made have saved correctly.

How Can I Prevent DNS Server Errors in the Future?

Keep your router and modem updated by restarting them occasionally and installing firmware updates if available. Use reliable DNS servers such as Google’s, Cloudflare’s, or your ISP’s recommended servers.

Keep your device’s operating system and network drivers up to date to avoid compatibility issues.

Avoid running multiple VPNs or complex proxy setups unless needed, as they can interfere with DNS.

Regularly inspect cables and monitor Wi-Fi signal strength to prevent physical or wireless interruptions that might cause DNS errors.

Conclusion

If you’ve tried all these steps and still see the DNS server not responding error, contact your ISP to check for outages or problems on their side. Testing your connection with another device or network can help identify if the issue is with your equipment or the ISP. Usually, these troubleshooting steps restore your internet access without needing advanced technical support.