Sublist3r – Fast Subdomains Enumeration Tool

One of the way to have useful information during a penetration testing is organization website subdomains enumeration. if you are looking to collect similar information you can use Sublist3r. This tool supports the following search engines:

  • Google
  • Yahoo
  • Bing
  • Baidu
  • Ask

You can add more search engines if you feel that this will not fulfill what you are looking for. The tool is using Netcraft, DNSdumpster and subbrute to collect the information about subdomains.


To list all the basic options and switches use -h switch:

  • python -h

To enumerate subdomains of specific domain use the -d, To enumerate subdomains of specific domain and show results in realtime use the -v -d,  To enumerate subdomains and use the subbrute bruteforce module use the -b -d.

You can read more and download sublist3r over the following link: