12 digit numbers are hard to remember. Using a name is easier.
Names used for TCP/IP addresses are called domain names. w3schools.com is a domain name.
When you address a web site like You are not allowed to view links.
Register or
Login, the name is translated to a number by a DNS process (Domain Name Server).
All over the world, a large number of DNS servers are connected to the Internet. DNS servers are responsible for translating domain names into TCP/IP addresses and update each other with new domain names.
When a new domain name is registered together with a TCP/IP address, DNS servers all over the world are updated with this information.
TCP/IP is a large collection of different communication protocols.
