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Fixing DNS Leakage on Windows 10 & 11

Fixing DNS Leakage on Windows

To fix dns leakage on windows 10 we must edit the following Registry Entries:

  • HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\WindowsNT\DNSClient
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters
Disabling Smart Multi-Homed Name Resolution

Open REGEDIT and go to the following key path:

Computer\HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\DNSClient

If the folder/keypath does not exist, create it inside the Windows NT Key.
(Right-click on Windows NT → New → Key)
Once that is done create a DWORD (32-bit Value) with the following data:

  • Value: DisableSmartNameResolution
  • Data: 1

10-win-dnsleak-fix-2.png

Disabling Parallel A and AAAA Resolution

Open REGEDIT and go to the following key path:

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters

Create a DWORD (32-bit Value) with the following data:

  • Value: DisableParallelAandAAAA
  • Data: 1

10-win-dnsleak-fix-1.png

Download the reg file FIX DNS Leak

Attachment Link Win_Fix_DNS_Leak.reg

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