Service Desk goes off

Service Desk goes off

Please need help, 3 days ago when I tried logging into service desk, I noticed that the drop down for which you select the domain your userID belongs to was missing, tried clearing cookies, and restarting by it didn't fix it.
Yesterday, the application came back to normal without doing anything.

Today I can't open the application at all, I have the right IP and port number but it still does display anything when you enter it, have used two different browsers
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                New to ADSelfService Plus?