Sure, they benefit by getting valuable data on Internet traffic. For another example of DNS server monetization, see http://opendns.com/ http://opendns.com/. T

Sure, they benefit by getting valuable data on Internet traffic. For another example of DNS server monetization, see http://opendns.com/ http://opendns.com/. Turns out there are clever ways of (mis)using DNS features to make money. For example, your server could hijack NXDOMAIN responses and instead direct the user to a nice page that tells them that the name couldn't be resolved alongside a couple relevant advertisements.