altdns
Subdomain discovery through alterations and permutations
uncategorizedRed Team
TooluncategorizedredLinuxKali LinuxPlatforms: Linux · Last verified September 6, 2026
This package contains a DNS recon tool that allows for the 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.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.
