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Knock is a python script designed to enumerate subdomains on a target domain through a wordlist.

Knock is targeted to:

- scan subdomains;
- dns request for zone transfer;
- dns resolver;
- wildcard testing.

Last released version:

05/07/10 Knock v1.4.2 beta

Required:

Python version 2.x (or minor).
DNSpython for Zone Transfer discovery.


Knock works on Linux, Windows and MAC OS X with a python version 2.x (or minor).