It uses TCP/IP which Transfer Control Protocol/Internet Protocol in which the IP address information syncs with the domain name. So, that all the information and the data stored on the selected IP What is DNS address also shown on the domain name since they are both in sync up through TCP/IP. It uses TCP/IP which Transfer Control Protocol/Internet Protocol in which the IP address information syncs with the domain name. So, that all the information and the data stored on the selected IP address also shown on the domain name since they are both in sync up through TCP/IP.