https://github.com/darkoperator/dnsrecon Dnsrecon is a great tool for pen testers for enumeration. The kinds of things we can do with dnsrecon are as follows: Top level domain expansion Reverse Lookup against IP range Perform general DNS query for NS,SOA and MX records Cache snooping against Name Servers Google Scanning for Sub Domains and Host http://www.darkoperator.com/blog/2013/5/29/dnsrecon-086-is-out-1.html примеры использования : https://www.youtube.com/results?search_query=DNSRecon+ текст http://www.zero-security.org/Thread-How-to-use-Dnsrecon-on-Backtrack-5