Simple Python subdomain generator

Generate list of subdomain combinations

To generate the list of subdomain combinations the script uses an exist wordlist file of subdomains in a same folder.

The list of subdomains can be found here

https://github.com/rbsec/dnscan

-l parameter uses to generate all subdomain combinations up to the specified level.

Requirements:

• Python 3
• tqdm

Install requirements

pip3 install tdqm

General usage options

  -d string
        Input domain
  -df string
        Input domain file, one domain per line
  -l int
        Subdomain level to generate (default 1)
  -o string
        Output file (stdout will be used when omitted)
  -r string
        Regex to filter words from wordlist file
  -silent
        Skip writing generated subdomains to stdout (faster) (default true)
  -t int
        Number of threads for every subdomain level (default 100)
  -w string
        Wordlist file

Simple command to use

python3 subdomain_generator.py example.com wordlist.txt --regex '^[a-z]+$' --level 3 --workers 10 --output output.txt