I’ve created a new application and would like to use a custom URL. Recently AppHarbor started charging for custom hostnames and I would rather not have to pay until I’m ready to go live.
Does anyone know if a CNAME will work? I’ve tried setting one up and I get a 404 error.
As mentioned on this AppHarbor support request, AppHarbor must know about the custom hostname to correctly route application requests based on the host header.
Once a hostname is configured on AppHarbor, CNAME DNS configuration will work just fine.