Follow the steps below to see how you can delete or disconnect a domain from the site.
1. You can disconnect a third-party domain from the site, leaving it in your account. For that, open the site's Settings and navigate to the Domains tab:
2. Click on the three dots near the needed domain and choose the Disconnect option from the dropdown:

3. To reconnect the domain, access the Domains tab in your account settings:
4. Select the domain, click on the three dots and choose Connect to website:
1. If you bought a domain at SiteCliq, the billing for the domain is managed by us too. To renew the domain manually (when it's due) or set it to auto-renew, open the site settings and navigate to the Domains tab:
By clicking on Disconnect, you will remove the domain from your site. However, it will still be accessible in the list of all your domains.

If you connect a domain via NS records, or purchase it directly from SiteCliq, you can add your custom DNS in the settings according to the article Managing DNS records.