altdns(1)

altdns1

Subdomain discovery through alterations and permutations

Usage

altdns [POSITION] [argument]

Overview

altdns - is a package containing a DNS reconnaissance tool that allows
discovery of subdomains that conform to patterns. Altdns takes in words that
could be present in subdomains under a domain (such as test, dev, staging) as
well as takes in a list of subdomains that you know of.

Usage

usage: altdns [[-h] -i INPUT -o OUTPUT [-w WORDLIST] [-r] [-n] [-e] [-d DNSSERVER] [-s SAVE] [-t THREADS]]

Options

 options:
      -h, --help
               show this help message and exit
      -i INPUT, --input INPUT
               List of subdomains input
      -o OUTPUT, --output OUTPUT
               Output location for altered subdomains
      -w WORDLIST, --wordlist WORDLIST
               List of words to alter the subdomains with
      -r, --resolve
                Resolve all altered subdomains
      -n, --add-number-suffix
                Add number suffix to every domain (0-9)
      -e, --ignore-existing
                Ignore existing domains in file
      -d DNSSERVER, --dnsserver DNSSERVER
                 IP address of resolver to use (overrides system default)
      -s SAVE, --save SAVE
                 File to save resolved altered subdomains to
      -t THREADS, --threads THREADS
                 Amount of threads to run simultaneously

Examples

altdns -i subdomains.txt -o data_output -w words.txt -r -s results_output.txt

Author

Altdns Project https://github.com/infosec-au/altdns/

Josenilson Ferreira da Silva <[email protected]> Created this

From altdns 1.0.2+git20250109.6728272-1 in Debian 13 (Trixie). Parsed by carta from the page's man source.