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+---- Thread: altdns Subdomain Recon Tool (/showthread.php?tid=5796428)
altdns Subdomain Recon Tool - Armada - Feb 7, 2018
Altdns is a Subdomain Recon Tool in Python that allows for the discovery of subdomains that conform to patterns. The tool 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:
Code
./altdns.py -i subdomains.txt -o data_output -w words.txt -r -s results_output.txt
subdomains.txt contains the known subdomains for an organization
data_output is a file that will contain the massive list of altered and permuted subdomains
words.txt is your list of words that you'd like to permute your current subdomains with (i.e. admin, staging, dev, qa) - one word per line
the -r command resolves each generated, permuted subdomain
the -s command tells altdns where to save the results of the resolved permuted subdomains. results_output.txt will contain the final list of permuted subdomains found that are valid and have a DNS record.
the -t command limits how many threads the resolver will use simultaneously
-d 1.2.3.4 overrides the system default DNS resolver and will use the specified IP address as the resolving server. Setting this to the authoritative DNS server of the target domain may increase resolution performanceDownload
RE: altdns Subdomain Recon Tool - CyberStrike - Feb 7, 2018
Good find, when dealing with corporate domains they often have a ton of subdomains so this is a useful tool for sure, run it with SubList3r in bruteforce mode works well.
RE: altdns Subdomain Recon Tool - nyx322 - Feb 8, 2018
Thanks, I ll try it later