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DNSRecon

DNSRecon is a Python port of a Ruby script that I wrote to learn the language and about DNS in early 2007. This time I wanted to learn about Python and extend the functionality of the original tool and in the process re-learn how DNS works and how could it be used in the process of a security assessment and network troubleshooting.

This script provides the ability to perform:

  • Check all NS Records for Zone Transfers.
  • Enumerate General DNS Records for a given Domain (MX, SOA, NS, A, AAAA, SPF and TXT).
  • Perform common SRV Record Enumeration.
  • Top Level Domain (TLD) Expansion.
  • Check for Wildcard Resolution.
  • Brute Force subdomain and host A and AAAA records given a domain and a wordlist.
  • Perform a PTR Record lookup for a given IP Range or CIDR.
  • Check a DNS Server Cached records for A, AAAA and CNAME Records provided a list of host records in a text file to check.

Python Version

DNSRecon requires python3.6+