Domain Name main function is Certificates users

Domain Name main function is Certificates users Internet time can be very easy to search for asite of interest and users do not need to bother like Martian-like IP address. IP address is a group of four numbers separated by combinations. For example: Yahoo's www.yahoo.com.hk is a pointer to the IP address 106.10.165.51. You will remember the Yahoo domain name , you do not need to bother with it's IP address can also go to the Yahoo Web site.