Linux.com - https://www.linux.com/news/dns-resolvers-performance-compared-cloudflare-x-google-x-quad9-x-opendns
A couple of months ago I did a performance comparison between some of the top free DNS Resolvers available. It was just after Quad9 had launched and I was trying to decide which one to use and recommend to families and friends. Google, OpenDNS, Quad9, .. some many options… I love options …