Authoritative DNS plays a critical role in our connected culture. It start- ed as a simple phone book that routed requests to websites. But now, with virtually every application and computing activity connected to a sprawl of clouds, data centers, CDNs, and devices, authoritative DNS has emerged to new prominence in the internet infrastructure.
In this Refcard, we’ll look at how authoritative DNS’s ubiquity and critical position in application infrastructure make it both a prime target for attackers and an opportunity to dodge downtime and defend against threats.
