[Marshall2015]

As I can put an address numbers? something like samp.web.com , observe the domain but do not know much . Could you please give a mini tutorial?

Sorry for my bad English, I 'm using ****** translator

[MD5]

Well of-course.

(1). You need a domain; with custom record settings.
(2). Edit your A records, and point them to your server IP.
(3). Wait 1-24 hours for the changes to take affect.

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And you'll do the same thing with subdomains (eg; server.yoursite.com).