Server running smoothly
If you can see this page, the status of this server is okay, but there is nothing to display.
It may be that you wanted to go to a subdomain. What is a subdomain?
Domain names are always read from the back, i.e. from right to left. At www.irgendeinedomain.de irgendeinedomain is only a subdomain of .de and www. is just a subdomain of irgendeinedomain.de
But I can't say which domain exactly you wanted to see. Concentrate! And try again.
That's what you can do: