:: BA.net/adblock DNS for IPv4 on Windows Server 2000/2003/2008 & 
:: Windows XP/Vista/7/8
@ECHO OFF
SETLOCAL EnableDelayedExpansion

SET adapterName=

FOR /F "tokens=* delims=:" %%a IN ('IPCONFIG ^| FIND /I "ETHERNET ADAPTER"') DO (

SET adapterName=%%a

REM Removes "Ethernet adapter" from the front of the adapter name
SET adapterName=!adapterName:~17!

REM Removes the colon from the end of the adapter name
SET adapterName=!adapterName:~0,-1!

netsh interface ipv4 set dns name="!adapterName!" static 104.131.230.202 primary
netsh interface ipv4 add dns name="!adapterName!" 104.236.166.10 index=2
netsh interface ipv4 add dns name="!adapterName!" 104.236.64.166 index=3

)

SET adapterName=

FOR /F "tokens=* delims=:" %%a IN ('IPCONFIG ^| FIND /I "WIRELESS ADAPTER"') DO (
SET adapterName=%%a

REM Removes "Ethernet adapter" from the front of the adapter name
SET adapterName=!adapterName:~17!

REM Removes the colon from the end of the adapter name
SET adapterName=!adapterName:~0,-1!

netsh interface ipv4 set dns name="!adapterName!" static 104.131.230.202 primary
netsh interface ipv4 add dns name="!adapterName!" 104.236.166.10 index=2
netsh interface ipv4 add dns name="!adapterName!" 104.236.64.166 index=3

)

SET adapterName=

FOR /F "tokens=* delims=:" %%a IN ('IPCONFIG ^| FIND /I "Adaptador DE ETHERNET"') DO (
SET adapterName=%%a

REM Removes "Ethernet adapter" from the front of the adapter name
SET adapterName=!adapterName:~22!

REM Removes the colon from the end of the adapter name
SET adapterName=!adapterName:~0,-1!

netsh interface ipv4 set dns name="!adapterName!" static 104.131.230.202  primary
netsh interface ipv4 add dns name="!adapterName!" 104.236.166.10 index=2
netsh interface ipv4 add dns name="!adapterName!" 104.236.64.166 index=3

)

SET adapterName=

FOR /F "tokens=* delims=:" %%a IN ('IPCONFIG ^| FIND /I "ADAPTADOR LAN inalàmbrico"') DO (
SET adapterName=%%a

REM Removes "Ethernet adapter" from the front of the adapter name
SET adapterName=!adapterName:~26!

REM Removes the colon from the end of the adapter name
SET adapterName=!adapterName:~0,-1!

netsh interface ipv4 set dns name="!adapterName!" static 104.131.230.202 primary
netsh interface ipv4 add dns name="!adapterName!" 104.236.166.10 index=2
netsh interface ipv4 add dns name="!adapterName!" 104.236.64.166 index=3

)


ipconfig /flushdns

ECHO.
ECHO If you see and error above make sure you run the command 
ECHO with RIGHT MOUSE CLICK and choose RUN AS ADMINISTRATOR
ECHO.

pause

:EOF