A domain is a hierarchical system use to define an Internet location or set of addressable computers.
The first part of a domain name is called the Top Level Domain (TLD). This is typically the last two or three letters that represent the geographical or section of the Internet.
Major domain suffixes are:
- .edu – Educational Institutions;
- .gov – US Government;
- .com – Commercial (business);
- .net – Network Infrastructure organizations;
- .org – Non-profit organizations;
- .mil – military organizations
and there are country codes such as .ca for Canada, .fr for France, and .jp for Japan.
The second part of a domain name is called the Low Level Domain (LLD). This is what people commonly refers to as site name or domain name. In our case, our domain name is “blogthority”.
The third part is an optional part of a domain calle the subdomain. Subdomain allows web site administrator to organize a larger web site into smaller logical unit, such as, “http://subdomain.yourdomain.com”. In this examples, “subdomain” is a subdomain of “yourdomain”.
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