Well, you can reflect their bad DNS back at them using their own methods. You can write less than 200 lines of code to destroy your attackers. Morally right i

Well, you can reflect their bad DNS back at them using their own methods. You can write less than 200 lines of code to destroy your attackers. Morally right in an if-someone-tires-to-kill-you-kill-them-right-back way? Certainly legally wrong since most of the participants in these attacks are misconfigured "innocent" 3rd parties, not hostile entities themselves.