TCP/IP - Home
TCP/IP is the communication protocol for the internet. TCP/IP defines the rule computers must follow to communicate with each other over the internet.
Browsers and servers use TCP/IP to connect to the Internet. A browser uses TCP/IP to access a server. A server uses TCP/IP to send HTML back to a browser.
Your e-mail program uses TCP/IP to connect to the Internet for sending and receiving e-mails.
Your Internet address "110.139.181.91" is a part of the standard TCP/IP protocol (and so is your domain name).