Enable the debug log from the panel file editor or rename the plugin folder by FTP-style access to deactivate plugins. Restore the previous PHP version if the fault began after a change. A ticket can read the log with you if you include the order reference.
Sign in to the client area and keep the order reference nearby. Prices and windows on thedatadynamo.site stay in Indian rupees, with a 7-day cancellation on new hosting orders and no fee return on a domain once it is referenced.
Write the exact error into a support ticket. For mail and DNS, allow up to 48 hours of cache time before treating the change as failed. For a plan that is too small, use an upgrade and pay the difference rather than opening a second overlapping service.