[Day 2]Who shows you the way to a website? -- IP Address, 'A' Record and 'CNAME' Record
Yesterday, we learned about the Domain and the 'MX' Record . With the 'guide', 'MX' Record of the Domain 'outlook.com', emails can be sent to the server. However, when you were learning how emails are sent with the 'MX' Record yesterday, did you wonder how you visit 'outlook.com' through a browser to write emails? Actually, besides the 'MX' Record which points to the address of the mail server, there is another Record called 'A' Record that tells where the website server is. For example, the 'A' Record of 'outlook.com' is '183.60.82.98'. (' 183.60.82.98 ' is an ' IP Address ', like the 'House Number' of the server.) So, when visiting 'outlook.com', the browser will first find the 'A' Record , ' 183.60.82.98 ', and then browse to this IP Address . Then, what's a 'CNAME' Record ? In fact, it's like a 'Shortcut'. For exampl