The Structure of a Domain Name

Let’s take a more detailed look at the different parts of a domain name, using this site as an example. This site’s domain name is – you can check this easily by looking at the URL or location bar of your browser.

The first part (igoldrush) is the Second-Level Domain (SLD) and .com is the Top-Level Domain (TLD), also commonly known as the “domain extension”. Together they make up what is called the domain name.


Now let’s take a closer look at the different types of TLDs.