radon

Fast DNS resolver and bruteforce tool

Usage

Radon will return output in a format similar to the host command.

Resolve domains

radon -d my-domains.txt

Bruteforce Domains

radon --invoke-random --permute -d my-domains.txt

--invoke-random will analyze domains for tokens, then replace tokens with other discovered tokens.

asd-test-thing.example.com

Becomes:

asd-asd-thing.example.com
asd-asd-asd.example.com
test-asd-thing.example.com
test-test-thing.example.com
....

--permute will attempt to find common patterns like aws regions, country codes, or numbers and replace them with other variants.

example1.example.com

Becomes

example0.example.com
example1.example.com
example2.example.com
example3.example.com
example4.example.com
example5.example.com
example6.example.com
example7.example.com
example8.example.com
example9.example.com