On this page, you will learn how to add DNS records to Infomaniak to connect your subdomain. You will be able to add your subdomain (subdomain.domain.com) to systeme.io to use it as a custom subdomain in your sales funnels and blogs, which is essential for your branding.
What you will need:
Important: Please follow the first step of this article before proceeding with this guide.
After adding the subdomain in systeme.io, you must access the DNS settings in your Infomaniak account.
Note: Each domain added to systeme.io has unique CNAME records that must be added to your host's DNS settings.
Example:
In this example, we will connect the subdomain example.sio-test.com to systeme.io
First, hover over your profile picture, click Settings, then go to Custom Domains and add your custom domain.

First CNAME:



Second CNAME:

Once the two CNAMEs are correctly added to your host, you can check their status using the following tool: https://dnschecker.org
Note: To check your records, you must enter the full CNAME name (including your domain name) into the search bar.
CNAME verification 01:

CNAME verification 02:

Notes:
- It can take up to 24–48 hours for DNS records to propagate completely.
- Sometimes, your host may not be able to register a CNAME record due to a conflict with other existing DNS records. This usually happens when adding the first CNAME. If this occurs, contact your host support to determine if those existing records are necessary or if they can be safely deleted.
Last updated on June 9, 2026