Hack // Site Cannot Be Accessed

Hey,
my page has been hacked. A couple months ago when I attempted to login in it showed this message:

>>This is probably not the site you are looking for!

You attempted to reach rachelaustinmusic.com, but instead you actually reached a server identifying itself as *.prod.phx3.secureserver.net. This may be caused by a misconfiguration on the server or by something more serious. An attacker on your network could be trying to get you to visit a fake (and potentially harmful) version of rachelaustinmusic.com.

You should not proceed, especially if you have never seen this warning before for this site.<<

I didn’t attempt to proceed. Now, when I attempt to log in, the site shows up in my WordPress site list:

>>This site cannot be accessed.
(link): Disconnect site.<<

I have like 20,000+ spam comments as well in my approval queue.

I’m not sure where to start here. Any ideas? I can’t update the site and the theme & layout has totally changed so it’s pretty much useless to me in this condition.

Thanks! I’m feeling pretty anxious about this.

Rachel