Multithreaded DNS recursive host brute-force tool
This is a multi-threaded DNS recursvive lookup brute-force tool. It exploits the misconfiguration of the recursion flag which is often set on an internal DNS server.
I link to it below as I dont really want to write about it, I'm sure you all know :)
https://www.us-cert.gov/sites/default/files/publications/DNS-recursion033006.pdf
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