Have you ever upgraded your account to premium hosting? This domain seems to be configured to a premium hosting IP, so it does not display whatever you upload on free hosting (http://www.cacgloriousassembly.com/404 for example serves a cPanel 404 page).
You’ll likely need to get in touch with iFastNet support and ask them to reconfigure the domain to point to free hosting. If you are not familiar with how to contact them, this article, while written for someone who is on the process of upgrading, can help: