Auto Configurator for Cloudflare DNS made with batch for windows

Cloudflare DNS Auto Configurator.bat

@echo off
Title Cloudflare DNS Auto Configurator

set first_server= "1.1.1.1"
set second_server= "1.0.0.1"


:checkPrivileges
  NET FILE 1>NUL 2>NUL
  if '%errorlevel%' == '0' ( goto gotPrivileges ) else ( goto getPrivileges )


:getPrivileges
  echo You have no admin rights. Please run me as administrator.
  goto end

:gotPrivileges
  echo You have admin rights. Continuing...
    REM clearing up the cache
    echo Clearing DNS Cache
    wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ()
    REM configure cloudflare as DNS server
    echo Configuring Cloudflare as DNS server
    wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder (%first_server%, %second_server%)
    goto end
:end
  pause