Add subdomains

This article will show you how to create subdomains if your domain is registered with Sitejet. If your domain is registered with a third party, there is an additional step: you will also need to set an A record for any subdomains you create. Our article on connecting third-party domains will show you how to set the necessary DNS settings for a subdomain. Otherwise, the instructions below still apply.

Table of contents

Basic knowledge

URLs are made up of three parts: the subdomain, the domain, and the top-level domain (TLD).

The domain is the part of the URL that contains the website name. For example, in the case of "", the domain is "your-website". 

The "Top Level Domain" (TLD) was originally meant to indicate the region in which the website is located. For example, for Germany this is ".de", for Italy ".it", for Spain ".es", and so on. Now, there are more TLDs that have nothing to do with the region, such as ".com" (commercial purposes). Generally, when people are discussing a particular domain, the TLD is included anyway even if it isn't technically part of the domain.

Subdomains are the part that comes before the actual domain. Nowadays, websites are often accessed without the "www.", but strictly speaking the "www." is a subdomain. There are many other common subdomains which you will be familiar with. For example, if the domain of your company is "", you could create the following different subdomains:

  • "services." -> ""
  • "contact." -> ""
  • "info." -> ""
  • "my." -> ""
  • "partner." -> ""

Each subdomain is assigned to a specific subpage of your website that is pulled up when you navigate to it.

Sitejet uses the "my." and "partner." subdomains for white labeling. Therefore, we recommend that you do not assign your own subpages to these, or other subdomains used by Sitejet, which include "api.", "cms.", "preview.", and "preset.".

In addition to the settings in Sitejet described below, an A record is required in the DNS settings of your domain, which points to our server as it does for "www". The DNS record for the subdomain "services" might look like this:

Name                         Typ TTL Host/Value
services CNAME

Subdomains in Sitejet

If you want to create a subdomain in Sitejet, you can do so in just a few steps.

Click on "Pages" at the top of the Website Builder (CMS). On the right side, you will see the view described in the article about adding navigation.

Subdomains in Sitejet

From this view, you can either create a new page or make an existing page accessible via subdomain.

To create a subdomain, proceed as follows:

  • Click on the cog icon and "More settings" for the relevant page to show further settings. 
  • The default value "www" is already entered in the "Subdomain" field. If you now set this to the desired value, e.g. "services", then that page will become accessible by navigating to

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