View this tutorial Video on How to Adjust Your Nameservers @ connect.dataczar.com.
(See below for written steps)
How to Adjust Your Name Servers | Updated Sept 03,2021

Steps:
> login via dataczar.com or connect.dataczar.com and go to the Domains button on the Main Menu
> click on Settings (blue gear button)
> click on Advanced
> click on Unlock Domain
> click on the (white) Name Servers button
> click on the Select DNS Dropdown Menu and choose Other
> click on Edit Nameservers
> add your nameservers
> click Update
Note - it may take up to 24 hours to propagate everywhere but it should show quickly on your end.

Use these same steps to adjust back to hosting on Dataczar DNS (if you need to adjust back):
> login via dataczar.com or connect.dataczar.com and go to the Domains button on the Main Menu
> Click on Settings (blue gear button)
>  Click on Advanced
> click on Unlock Domain
> click on the (white) Name Servers button
 > click on the Select DNS Dropdown Menu, and select Dataczar DNS
> Click on Update DNS (this will automatically adjust to the Dataczar nameservers)
Note - it may take up to 24 hours to propagate everywhere but it should show quickly on your end.