subjack
Subdomain Takeover tool written in Go
...Always double-check the results manually to rule out false positives. Subjack will also check for subdomains attached to domains that don't exist (NXDOMAIN) and are available to be registered. No need for dig ever again! This is still cross-compatible too. You can use scanio.sh which is kind of a PoC script to mass-locate vulnerable subdomains using results from Rapid7's Project Sonar. This script parses and greps through the dump for desired CNAME records and makes a large list of subdomains to check with subjack if they're vulnerable to Hostile Subdomain Takeover. ...