go install github.com/devanshbatham/realm@v0.0.2
(~) >>> realm -d example.com -n 2
🔍 Traversing example.com: 8 domains found
example.com
example.org
www.example.com
www.example.edu
www.example.net
www.example.org
example.net
example.edu
🔍 Traversing example.org: 8 domains found
example.com
example.org
www.example.com
www.example.edu
www.example.net
www.example.org
example.net
example.edu
🔍 Traversing www.example.com: 8 domains found
example.org
www.example.com
www.example.edu
www.example.net
www.example.org
example.net
example.edu
example.com
🔍 Traversing www.example.edu: 8 domains found
www.example.org
example.net
example.edu
example.com
example.org
www.example.com
www.example.edu
www.example.net
...
...