ethical-hacker video for alex, a disgruntled former employee of ClearNet Tech Solutions, sets his sights on the organization to execute advanced attacks with
Alex, a disgruntled former employee of ClearNet Tech Solutions, sets his sights on the organization to execute advanced attacks with the intention of tarnishing its reputation in the industry. In the initial phase of the attack, he conducted DNS footprinting to collect details about DNS servers and identify the connected hosts within the target network. Employing an automated tool capable of extracting information about DNS zone data, including DNS domain names, computer names, IP addresses, DNS records, and network Whois records, Alex utilized this gathered information to initiate further sophisticated attacks. What is the tool employed by Alex in the described scenario?