Log into your account at Register.com where you purchased your domain and create a new CNAME record by following these steps:
Select Domains on the left side of the page.
Select the domain name you want to change (americanbestfacility.com)
On the domain page, go down to Advanced Tools.
Click Manage next to Advanced DNS Records.
In the Host Aliases (CNAME Records) section, click the Edit CNAME Records.
Add a CNAME record with the following details:
Host:www
Value:custom.zarlasites.comClick Continue.
A confirmation page appears that verifies your records were updated. Review the information carefully, and then click Save Changes.
After adding your CNAME record, please make a change to the A Record on that same Manage page by following these steps:
Find the IP Address (A Records) section, and click Edit A Records.
Change your existing A Record to the following (leave all other fields as they are now):
Value:109.105.219.109Click Continue.
A confirmation page appears that verifies your records were updated. Review the information carefully, and then click Save Changes.
Once you've finished all those steps, please let us know and we'll check that it is all pointed correctly and set your domain live.