I generally avoid metered services where cheap unmetered alternatives are available. First of all, 5 million DNS requests sounds like very little. It probably

I generally avoid metered services where cheap unmetered alternatives are available. First of all, 5 million DNS requests sounds like very little. It probably isn't due to caching, but it's hard for me to judge what I need/whether that's enough. Second, what happens when someone who doesn't like me decides to make 5 million DNS requests? 5 million packets sounds like something a decent connection might be able to fire out in a few seconds. If I pick their highest plan, will a person that has a grudge and a fast link capable of IP spoofing cost me $2/second (theoretically $5M/month, although I'm sure they'd show some mercy at that point)?