In this guide, you will learn how to add DNS records in IONOS to connect your root domain. This allows you to use your custom domain (e.g., www.domain.com) for your sales funnels and blogs, establishing a professional brand presence.
What you will need:
Important: Please follow the first step of this article before proceeding with this guide.
After adding the root domain to systeme.io, you must access the DNS settings in your IONOS 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 domain www.sio-demo.com to systeme.io
First, hover over your profile picture, click Settings, then go to Custom Domains and add your custom domain.

First CNAME:



Note: If a CNAME record with the name www exists, edit the target to dsq5ytes5ap90.cloudfront.net.
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:

Add a redirect rule:



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