7.1. Fixing DNS Leakage on Windows 10¶
- To fix DNS Leakage on Windows 10 we must do the following:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\DNSClient
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters
7.1.1. 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

7.1.2. 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
