Economical With The Truth: Making DNSSEC Answers Cheap2016-06-24 We launched DNSSEC late last year and are already signing 56.9 billion DNS record sets per day. At this scale, we care a great deal about compute cost. One of the ways we save CPU cycles is our unique implementation of negative answers in DNSSEC. CC BY-SA 2.0 image by Chris Short I will briefly explain a few concepts you need to know