1. change your dns server to 127.0.0.1

$ vi /etc/resolve.conf  
nameserver 127.0.0.1

2. restart the network

$ sudo /etc/init.d/networking restart

3. run the script

$ sudo python tcpdns.py

• [libev] (http://libevent.org/)

• [gevent] (https://github.com/surfly/gevent)
• [dnspython] (http://www.dnspython.org/)
• [pylru] (https://github.com/jlhutch/pylru)

  sudo apt-get install libevent-dev
  sudo pip install gevent
  sudo pip install dnspython

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/