What are Subdomains?

July 18, 2009

As discussed in a previous post here, somewebsite.com is an example of a domain name.

However, as almost any Internet user would know, we normally access all websites via a web browser using an address like www.somewebsite.com.

Now, if somewebsite.com is a domain, what is www.somewebsite.com?

Well, technically, the www part in the example above is a subdomain. Just like www, a domain can have have any number of different subdomains e.g.

mail.somewebsite.com
sales-department.somewebsite.com
technical-department.somewebsite.com
support.somewebsite.com

and so on. What’s more, with proper web host configuration, each subdomain can be made to work as a different,  independent website. While this may not be new to a lot of  people, many would be surprised to know that even somewebsite.com and www.somewebsite.com could be configured to work as different web sites.

One Response to “What are Subdomains?”

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