DNS Server Not Responding Windows 11 – Easy Fix (2026 Guide)

This guide is tested on Windows 11 (Latest 2026 Update) and updated regularly to match current network settings and ISP changes.

If you’re seeing the “DNS Server Not Responding” error on Windows 11, you’re not alone. This is one of the most common internet issues users face, especially after system updates, router changes, or network configuration adjustments.

The good news is that in most cases, this issue can be fixed within minutes using simple troubleshooting steps.

If your system shows DNS issues when connected to WiFi, it could also be related to problems like Windows 11 No Internet, Secured ,

For a complete solution to all Windows 11 internet issues, read this Windows 11 Internet Problems – Complete Fix Guide .

where the connection is active but internet access does not work properly.

What Does “DNS Server Not Responding” Mean?

DNS (Domain Name System) translates website names into IP addresses.
If DNS fails, your internet may appear connected, but websites won’t load.

Common causes include:

• Router temporary glitch
• ISP DNS failure
• Incorrect network settings
• Outdated network drivers
• Firewall or antivirus interference

Let’s fix it step-by-step.

7 Ways to Fix DNS Server Not Responding on Windows 11

If you are facing internet problems on mobile devices as well, check our… WiFi Connected But No Internet on iPhone – Easy Fix (2026 Guide)

1. Restart Your Router and PC

This fixes temporary routing issues.

• Turn off router for 2 minutes
• Restart your Windows 11 PC
• Turn router back on

Wait for full connection and test again.

2. Flush DNS Cache

Corrupted DNS cache is a very common cause.

Steps:

• Press Windows + S
• Type “Command Prompt”
• Run as Administrator
• Type:

ipconfig /flushdns

Press Enter.

You should see: Successfully flushed the DNS Resolver Cache.

3. Change DNS to Google DNS

Your ISP’s DNS may be down.

Steps:

• Go to Settings → Network & Internet
• Click Advanced Network Settings
• Select your connection → Edit DNS

Set manual DNS:

Preferred: 8.8.8.8
Alternate: 8.8.4.4

Save and restart browser.

4. Disable VPN or Proxy

VPN services can interrupt DNS resolution.

• Turn off VPN
• Disable Proxy from Settings
• Restart browser

Check if websites load normally.

5. Reset Network Settings

If configuration is corrupted, reset it.

Go to:

Settings → Network & Internet → Advanced Network Settings → Network Reset

Restart PC after reset.

6. Update Network Drivers

Outdated drivers can cause DNS failures.

Steps:

• Right-click Start
• Open Device Manager
• Expand Network Adapters
• Right-click your adapter → Update Driver

Restart after updating.

Sometimes DNS errors occur together with general connectivity issues such as WiFi Connected But No Internet on Windows 11 . If DNS reset does not solve the issue, this guide can help further.

7. Temporarily Disable Firewall/Antivirus

Some security tools block DNS traffic.

Temporarily disable:

• Third-party antivirus
• Windows Defender Firewall

If internet works after disabling, adjust firewall rules.

Why DNS Server Not Responding Happens in Windows 11 (2026)

In 2026, most DNS Server Not Responding errors in Windows 11 are caused by
temporary ISP DNS failures, corrupted network cache, VPN conflicts, or
incorrect IPv6 settings. Recent Windows updates have also changed how DNS
resolution works, which is why older fixes often fail.

When Is It an ISP Issue?

If:

• Multiple devices show same error
• WiFi shows connected but no websites load
• DNS change doesn’t fix it

Then your ISP may be experiencing a DNS outage.

Contact them to confirm.

FAQs

Why does Windows 11 show DNS server not responding?

Usually due to router glitches, ISP DNS failure, or corrupted network settings.

Will changing DNS fix the issue?

In many cases, yes. Switching to Google DNS or Cloudflare DNS resolves it instantly.

Does Windows 11 update cause DNS issues?

Occasionally yes. Driver conflicts or reset settings after updates can trigger DNS errors.

Conclusion

In most cases, the DNS Server Not Responding error on Windows 11 is caused by temporary router glitches or DNS configuration problems.

Flushing DNS and switching to Google DNS are the fastest working solutions.

If none of the steps work, the issue is likely with your ISP rather than your computer.

If your internet speed test shows fast results but websites load slowly, check this detailed guide on Windows 11 Speed Test Fast but Internet Slow to fix performance-related network problems.

Written by Bharat Choudhary– Tech Troubleshooting Researcher
I analyze common Windows and networking problems and provide practical step-by-step solutions based on real-world cases.

Update (2026):
Several Windows 11 users reported that changing DNS to Google DNS and restarting the router fixed the issue instantly after recent updates.

Last Updated: fab. 2026