Subdomain takeover tools
Subdomains can be vulnerable to a takeover attack when it is pointing to an external service (e.g. GitHub pages). This is the case when the destination of the CNAME has been removed. It will result in a redirect to a location that is most likely not configured properly. This allows an attacker to set up a page and hijack that subdomain.
Subdomain takeover tools are typically used for security assessment.
Users for these tools include pentesters and security professionals.
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