You can add new domain as an addon domain. As per your plan you can add allowed number of addon domain.
https://www.youtube.com/watch?v=Xu-PK-XTHEI
Go through this video to know about add on domain.
If you want to rename or change your primary domain you can follow below steps.
1. Make sure that you have downloaded files and database in your PC, CPanel will be reset to Default and all data hosted on that current CPanle will be deleted, so take backup at your level if required.
2. Make sure you are login to 121WebHosting Client Area https://121webhosting.com/client , to authenticate your request you must login to this.
3. Create Support Ticket at https://121webhosting.com/client/submitticket.php and also mention current domain name : and new domain name you want to set:
for example:
" Hi, I want to change my primary domain name.
My Current CPanle registered domain is abc.com and new domain name is xyz.com "
So your abc.com CPanle will be deleted and xyz.com CPanel will be generated based on your above request.
Updates:
No Change in Primary Domain Name
https://121webhosting.com/client/index.php/announcements/8/No-Change-in-Domain.html
You will receive confirmation mail from us on completion.
