The first step
is to collect the subdomains of the site that will be scanned : with 
sublist3r & subdomainfinder
step 2 : scan the same site with >>MXtoolbox << for CNAME && scan with whois
step 3 : Automatic detection tool subdomain takeover Place the subdomains in the tool >>
sub404 in github
author: MARCO VICTOR
is to collect the subdomains of the site that will be scanned : with sublist3r & subdomainfinderstep 2 : scan the same site with >>
MXtoolbox << for CNAME && scan with whoisstep 3 : Automatic detection tool subdomain takeover Place the subdomains in the tool >>
sub404 in githubauthor: MARCO VICTOR