Fixing DNS Leakage on Windows 10

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

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