Passive
Obtaining information about the Target without directly interacting with it.
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Obtaining information about the Target without directly interacting with it.
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Whois is a protocol and service that allows users to look up registration information related to Internet domains and IP addresses. It provides details such as the owner's name, registration date, and expiration date.
Combine IPs and hostnames found with WHOIS to verify that they are owned by the organization and not outsourced to ISPs (Internet Service Providers).
Information about SSL/TLS certificates