It looks like Apache was rebooting during that time. It's normal to see a momentary server error during that time: https://wiki.helionet.org/502_Bad_Gateway
Account unsuspended, it'll resume working within the next two hours. You were suspended for using 10005.80 CPU. I'm unsure exactly of what the cause was, but an administrator might provide some extra insight.
Domain added, it'll take effect in about an hour and a half. You'll need to either switch to HelioHost's nameservers or create an A/AAAA record to Johnny's IP for it to work.
I have removed all the domains except jeffersonmidei.helioho.st, as that is your main domain. Is there a domain you would prefer to become your main domain? I cannot remove it without replacing it with something else.
Domain added, it'll take effect in about an hour. For the domain to work, you'll need to create an A/AAAA record to Johnny's IP or switch to HelioHost's nameservers.
Users that bypass the storage limit face a Plesk suspension. That said, if you have genuine security problems to bring up, a root administrator might reach out directly.