Contact between domain name and IP address

What is domain name ？ What is? IP Address ？

stay Internet There are thousands of hosts on the , To distinguish these hosts , Each host is assigned one IP Address . But because of IP The address is hard to remember , Therefore, there is a convenient memory domain name .

The domain name consists of Arabic numerals and English letters 、“-”、“.” form , The function is to facilitate the memory and communication of the server address .

Domain name and IP The address corresponds to , stay Internet There are DNS（ Domain name server ） To combine the domain name with IP Address translation . such as , We enter the domain name in the browser ,DNS Will convert the domain name to IP Address , And then according to IP Address can find the server , So you can access the server .

Besides , If it's for APP、 WeChat official account service , Then the address provided must be a domain name