038. dns: the phonebook of the internet (ks4)
Uncover how the Domain Name System translates human-readable web addresses into the IP addresses that computers use to communicate.
Computers do not understand names like 'google.com'; they only understand numbers called IP addresses. So, how does your browser know where to go? It uses the internet's ultimate phonebook: the Domain Name System. In this lesson, we will uncover how DNS translates the web addresses we type into the numerical codes that machines need to connect.
Last modified: March 25th, 2026
