Is privacyprotect.org contact form works?

[cnet]

I try to get in contact with a domain owner, but he have privacy protect activated. When I go to privacyprotect.org I complete a form to contact the owner, but after the form is submitted I get no answer back. I try to contact them but the contact form ask for an email id.
How do I know the domain owner get my message?

Your reply is apreciated.