nostr:npub1hxf96n4sv94q46mrk29xquqwewwecl2083f9r5wdlnl5erc5nf7q4mg8qu I just tried it and I must confess that I don't really understand what it does (it runs, it is just that I don't really understand what it displays).
nostr:npub1jw50ps6cehf060ytu6c7g4udrha6g002grwamtzvfhk8xk58nekq4k9fry I used 'calidns' for this, which I think still hides out in the powerdns repository. It is a research tool so don't expect something that does what you want out of the box.
Discussion
nostr:npub1hxf96n4sv94q46mrk29xquqwewwecl2083f9r5wdlnl5erc5nf7q4mg8qu Also, it seems to be a stress loader and I don't want to add more requests to the current DoS,. The tool needs to work with few queries.