Does Hill University (USA) have legitimate accreditation?
The Hill University's, website dead as of Sept 2015*, accreditation page did not make it clear which of their degrees were accredited, instead the two accrediting bodies (IOEAB and OKOLA) are listed at this random website as "fake degree accreditation agencies". They are also the accrediting agencies used by Speedy Degrees which would suggest to me that accreditation by those bodies is more or less meaningless.

Further, the web domain is .com and not .edu which is highly atypical for US universities. The requirements for .edu domain require a US location and "proper" accreditation. While not using a .edu domain could be related to the online nature of the university, it is also a warning sign that the accreditation might be questionable.

* Recent reports by NYTimes and UIUC list this university as a fake.