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dnsenum Description
Dnsenum is a multithreaded perl script to enumerate DNS information of a domain and to discover non-contiguous ip blocks. The main purpose of Dnsenum is to gather as much information as possible about a domain. The program currently performs the following operations:
  1. Get the host's addresses (A record).
  2. Get the namservers (threaded).
  3. Get the MX record (threaded).
  4. Perform axfr queries on nameservers and get BIND versions(threaded).
  5. Get extra names and subdomains via google scraping (google query = "allinurl: -www site:domain").
  6. Brute force subdomains from file, can also perform recursion on subdomain that have NS records (all threaded).
  7. Calculate C class domain network ranges and perform whois queries on them (threaded).
  8. Perform reverse lookups on netranges (C class or/and whois netranges) (threaded).
  9. Write to domain_ips.txt file ip-blocks.
This program is useful for pentesters, ethical hackers and forensics experts. It also can be used for security tests.
Homepage: https://github.com/SparrowOchon/dnsenum2
Author: Filip Waeytens, tix tixxDZ
License: GPLv2


How to install dnsenum :

installation on kali linux :
sudo apt install dnsenum

Installation on Debian, Linux Mint, Ubuntu
sudo apt install cpanminus
git clone https://github.com/SparrowOchon/dnsenum2
cd dnsenum2
sudo make install

installation on BlackArch
sudo pacman -S dnsenum