There are a number of websites that provide who is information. These are generally helpful in getting contact info, but with private registration some site are able to hide behind that wall and I find that people who do so really don’t pay much attention to the email they get if anyone wishes to make inquiries.
When the domain is not privately registered you can get a contact name address and phone# as well as an email address of the registrant of the domain which at one time was often the web hosting company but today as people and businesses become more web savvy they are registering their own domains and the contact info goes strait to them.
Examples or who is look-ups for powersportsdata.com
Domaintools.com - This is site also includes the ability to look up other domains owned by the same person/company but you have to pay to get that information.
Who.is - you have to admire the brilliance of the creator of this look up system in that they got the name “who” and the extension .is