Powerful DNS enumeration script

 DNSRecon is a Python script that 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.
  * Enumerate Hosts and Subdomains using Google