rldns-mitm is a modified version of rldns version 1.1 to support man-in-the-middle attacks. Whatever dns request is received will always return a single ip address, which has been assigned via a command line argument.
You can download it from the following link: https://packetstormsecurity.com/files/download/142054/rldns-mitm.tar.gz
Source: https://packetstormsecurity.com/files/142054/rldns-Man-In-The-Middle-Tool.html