[dwwoelfel]

Or use someone else's name, which may be what the owner of the site actually did. How can we know that the whois information is valid?

[rhizome]

I wouldn't be surprised if the advertising provider requires and checks for real whois info. If not, there's probably a business model in there somewhere.

[datasink]

Small advertising networks are notoriously lax. The ad network in the screenshot, pogads.com, has this testimonial on their front page:

"I've been banned from adsense for advertising online with companies offering popups, I registered with pogads as an adsense alternative and I see the real money potential in my service Roger, IL"

It's positioned as the first testimonial of several.