Educational resources
Every device connected to the Internet needs a unique Internet Protocol (IP) address so it can communicate with other devices. IP addresses identify devices within networks, allowing the Internet’s routing system to transfer packets of data between hosts (such as a computer, website, or mobile device). IPv4 and IPv6 are the forms of IP addresses in use today.
Netnod's Lars-Johan Liman answers frequently asked questions about Internet's root servers functions. Read here to better understand how they function.