See the problem is getting at the actual perpetrators. You are surely correct, the further down the line they can be stopped the better. But due to they way these scammers operate it becomes difficult to impossible to reach them.<p>One action that increases the cost of criminal organizations is then to deny them usage of resources of legitimate companies. All these usually have an AUP which prohibits certain activities.<p>And I am with you, a DNS resolver should tell the truth. What I am asking CloudFlare to do, is to not accept certain customers in the first place, so that they don&#x27;t get to use the CloudFlare <i>authorative DNS</i> servers.<p>Obviously this works best if hosting providers do the same thing.