Shopcada Site support custom domain name.
There are 2 steps to link the custom domain to your site:
a. Update the domain A record to 220.127.116.11 for both www.yourdomain.com and yourdomain.com
You can update this setting at the portal you registered/ purchase the domain.
This update will take up to 24 hours to full update.
b. Login to Shopcada.com and update the domain
Go to My Store
Then click on [MANAGE DOMAIN NAME]
Enter Your Custom Domain Name
You may email us at firstname.lastname@example.org or submit the support request from SUPPORT page.