[Closed] Domain Change

My business partner did not like how I designed my website page and reached out to a webpage expert. The designer created a new website and redirected my old website which I did not want from the very beginning. Now although my business partner and I are no longer partners and I have reached out about my website being redirected. The issues have not been resolved. I inquired on how to stop from being redirected to the new page. I was advised to change the name of the servers but I’m having trouble locating where I can find the domain in order to change that information and I don't have a number or I can't find a number so I can have the tech support assist me.