Enumerating DNS records with DNSenum Tool in Kali Linux

Multithreaded perl script to enumerate DNS information of a domain and to discover non-contiguous ip blocks.

OPERATIONS:

• Get the host’s addresse (A record).
• Get the namservers (threaded).
• Get the MX record (threaded).
• Perform axfr queries on nameservers and get BIND VERSION (threaded).
• Get extra names and subdomains via google scraping (google query = “allinurl: -www site:domain”).
• Brute force subdomains from file, can also perform recursion on subdomain that have NS records (all threaded).
• Calculate C class domain network ranges and perform whois queries on them (threaded).
• Perform reverse lookups on netranges ( C class or/and whois netranges) (threaded).
• Write to domain_ips.txt file ip-blocks.

Source: https://github.com/fwaeytens/dnsenum

DNS enumeration is the process of locating all DNS servers and DNS entries for an organization. DNS enumeration will allow us to gather critical information about the organization such as usernames, computer names, IP addresses, and so on. To achieve this task, we will use DNSenum

and enter the following command

root@Kali:~# dnsenum - - enum example.com

It Will Show you Host address , Name Servers address , Mail ( MX) Server and Zone Trabsfer Information.