During a penetration testing engagement, you are tasked with gathering as much information as possible about the target organization's internal domain structure and network resources without directly interacting with the company's network. You decide to use a tool that allows you to analyze publicly available files retrieved from the organization's website for hidden metadata and potential security lapses. Which tool facilitates the extraction and analysis of metadata from these documents to accomplish your objective?
OWASP ZAP
Nikto
FOCA
Responder