root-domain

This tool allows to extract the root domain from subdomains. Useful for parse lists of subdomains and retrieve the root domains.

Moreover you also can adjust the depth of the domains extracted with -d and -D

Setup

To install:

git clone https://gitlab.com/Zer1t0/root-domain
cd root-domain/
python3 setup.py install

Examples

Get root domain:

./root-domain.py a.b.c.d.e.google.com
google.com

Get subdomain with depth 2 (first subdomain):

/root-domain.py a.b.c.d.e.google.com -d 2
e.google.com

Get subdomains until depth 4:

./root-domain.py a.b.c.d.e.google.com -D 4
google.com
e.google.com
d.e.google.com
c.d.e.google.com

Get subdomains with depth between 3 and 4:

./root-domain.py a.b.c.d.e.google.com -d 3 -D 4
d.e.google.com
c.d.e.google.com