Set ITSM client with Comodo DNS

import os

import ctypes 

class disable_file_system_redirection:

    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection

    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection

    def __enter__(self):

        self.old_value = ctypes.c_long()

        self.success = self._disable(ctypes.byref(self.old_value))

    def __exit__(self, type, value, traceback):

        if self.success:

            self._revert(self.old_value)

​

with disable_file_system_redirection():

    out=os.popen('wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("8.26.56.26","8.20.247.20")').read()

    print out

​