I don't personally know of one (which isn't saying much) but that sounds like an interesting thing to monitor. Maybe an HN'er who has written their own monitori

I don't personally know of one (which isn't saying much) but that sounds like an interesting thing to monitor. Maybe an HN'er who has written their own monitoring system (and provides it as a paid service) could begin monitoring queries/responses from the many TLD root name servers.