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Shaun is a professional hacker. He targeted eccouncil video

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ethical-hacker video for shaun is a professional hacker. He targeted an organization for financial benefit and used various footprinting techniques to gather

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Shaun is a professional hacker. He targeted an organization for financial benefit and used various footprinting techniques to gather information about the target network. In this process, he employed a protocol used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system. What is the protocol employed by Shaun in the above scenario?