Anyone know anything about this?

entitycube.research.microsoft.com

This website is causing me a good bit of trouble at the minute. I had been doing well and had the google serps pretty much exactly where I wanted them and now this has came along out of no where.

Using my keywords this will display right up there the 2nd/3rd results, for a search on this EntityCube website.

Are they ranked so high because it's microsoft.com?

How can I fight that?

Thanks