4 ms·Passive DNS – A tutorial to set up your own passive DNS using D4 project46 points by adulau 7y agosupakeen 7y agoI'm much more familiar with the term pdns being used to refer to powerdns so reading this got slightly confusing :)deleted 7y ago[deleted]Proven 7y ago"Voluntarily and for free share your DNS lookup records with the EU for Big Data analytics purposes"