What Are Subdomains? Definition and Examples (2020)

  What is a subdomain? Example of SBNation

What is a subdomain? Part of the domain that precedes the primary domain name and domain extension. For example, docs .themeisle.com . In this URL, docs is the subdomain.

This article will answer the question in detail, explain why subdomains are useful, and how to create your own subdomain. [19659004] Let's dig …

What is a subdomain? DETAILED DESCRIPTION

To answer the question “What is a subdomain” in more detail, you first need to know the structure of the URL! Let's look at the URL of ThemeIsle.


This URL has two parts.

  • The protocol ( https: ) makes the browser send a request to the server.
  • Domain themeisle.com Or URL as default website. The domain consists of two parts.

Subdomains contain other names before SLDs. For example, if the ThemeIsle blog is hosted on https://blog.themeisle.com then blog will be a subdomain.

What is a subdomain? [19659006] Subdomains are commonly used to logically separate Web sites into sections. Subdomains can be used to launch career sites ( careers.yoursite.com ), forums ( forum.yoursite.com ), or customer support ( support.yoursite). . .com ). You can also use subdomains to create blogs with other themes. For example, sbnation.com is a sports news blog. However, we use blogs like weaintgotnohistory.sbnation.com and theshortfuse.sbnation.com for specific teams in other subdomains.

  What is a subdomain? Example of SBNation

Other subdomain purposes are:

  • Create other language versions of your website ( en.yoursite.com ).
  • Create a mobile version of your website ( m.yoursite.com ).
  • Set up a network of unrelated sites. For example, how to sign up for a WordPress.com account and create your own blog on a subdomain ( yourblog.wordpress.com ).

Be creative with subdomains. You can also point to a subdomain as a section or single page on your website.

For example, if you have a personal portfolio site, you can host your contact form at hireme.yourname.com .

What is a wildcard subdomain?

Wildcards are by default "catch-all" subdomains. For example, if you want to create a WordPress multisite network, you can use wildcard subdomains so that each network site gets a unique subdomain (e.g. WordPress.com).

Wildcard subdomains are marked with an asterisk. Example: *. yoursite.com .

How to create a subdomain

👉 Before you can set up a subdomain, you must have a primary domain. If you haven't done so already, please see our guide on choosing a domain name and registering your domain name.

When you purchase a domain, you also purchase rights for subdomains of that domain. The steps to follow to create a subdomain are:

  • Come up with the name of your subdomain and enter it as a record in your DNS settings.
  • Redirect to the server hosting the subdomain. You can see that www.yoursite.com points to yoursite.com when entering records in DNS settings. This essentially makes www a subdomain!

    Most hosts provide a user-friendly tool to help you do this.

    Actual usage may vary slightly depending on your host or registrar, but the following is a guide on how to create subdomains for the most popular registrars and web hosts. Create a subdomain in the service you manage. Typically this is a web host, but depending on your configuration, it may also be a domain registrar.

    Final thought about subdomains

    Subdomains are part of the URL that precedes the “state”. Domain name and domain extension. For example, docs .themeisle.com .

    Subdomains allow you to divide your website into logical parts or create a separate site, for example a separate blog for each sports team.

    For a more detailed look at the subject of the URL structure, check out the full guide to website URL parsing.

    Do you have any additional questions about subdomains? Let us know in the comments.

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