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DNS Servers: What Are They and Why Are They Used?

Top DNS Interrogation Tools. Leave a Comment / DNS Interrogation, DNS Tool / By Infosavvy. packets to the victim’s system to spot the OS (Operating system) used by the victim on his server or laptop. • A ping sweep may be a technique of building a spread of IP addresses that map hackers to live hosts. Fping, Nmap, Zenmap, ICMPEnum