Domain Name Vs Hostname. The unique identifier that serves as name of your computer or server can be as long as 255 characters and consists of numbers and letters. Servers and Operating Systems.
Windows does not permit computer names that exceed 15 characters and you cannot specify a DNS host name that differs from the NETBIOS host name. The computer name NetBIOS name of the computer could differ. Client is unable to resolve a host name.
A domain name on the other hand is.
After following the instructions in this article you. In your example hostname would be the name in DNS referring to the address of the computer hosting the site. The point is that its a name used to refer to a specific host. The computer name NetBIOS name of the computer could differ.