Cloudflare aims not just to offer a speedier service than Google, but also greater privacy, something more and more people are demanding: the company undertakes not to record the IP addresses of users and to eliminate all log files every twenty-four hours, and in addition, has tasked KPMG to attest to this by auditing its practices and its code and publishing an annual report confirming as such.
DNS matters: Cloudflare’s
Enrique Dans

Excellent post, Prof. Dans but this post shows exactly the contrary:

Cloudflare is the fastest DNS service out there right now.