The subdomain is a basically a domain. By its name, that is clear that this is a subpart of the domain. Mainly the types of domain names are, http://www.example.com or http://example.com we call it domain or simply call it main domain. But when adding other versions of your website like forum.example.com, en.example.com, ask.example.com these domains are called subdomain.

Source: techshoutus.com

A domain within a parent domain. Subdomains cannot be registered. Subdomains enable you to delegate domains. Subdomains can themselves have subdomains, so third-level, fourth-level, fifth-level, and d [..]

A domain that is behind another, but totally separate. Using sub-domains you can effectively have multiple "domains" on a single registered domain name and hosting account. A sub domain address would be written like: www.something-else.yourdomain.com.au The "something-else" is the sub domain.

Subdomain is a way to divide your site into sections with short and easy to remember names. Other use of subdomains might be to let somebody else use your account.

In the DNS hierarchy, a subdomain is a domain that is part of a larger domain name. A DNS hierarchy consists of the root-level domain at the top, underneath which are the top-level domains, followed by second-level domains and finally subdomains.   T TLD A top-level domain (TLD) is the last part of which Internet domain names consist of. For exampl [..]

A subdomain is somewhere in-between a domain name and a hostname. A subdomain adds another level to a domain; an example would be is.mine.nu, a subdomain of mine.nu.

A subdomain is part of a larger domain name in the DNS hierarchy. For example, in the URL new.yourbusiness.com "new" is considered a subdomain;"yourbusiness" is the second-level domain ; and ".com is the top-level domain.

A subsection of a website that exists as a subdirectory in the website owner's home folder. If the domain were example.com, then the subdomain URL would appear as subdomain.example.com.

A subdomain is a domain that is part of a larger domain. Makes a lot of sense, right? Sometimes when BKMedia Group is updating an old site, we need to put the new one live on the same domain, without [..]

A subdomain is a domain that is a part of a larger domain under the Domain Name System (DNS) hierarchy. It is used as an easy way to create a more memorable Web address for specific or unique content [..]

In the Domain Name System (DNS) hierarchy, a subdomain is a domain that is a part of a main domain.