Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
GRCs DNS Benchmark - DNS Nameserver Performance Benchmark
Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Public DNS Server Tool - Public DNS Server Tool is a small utility for changing the DNS servers in Windows XP, Vista, 7 and...
Google Cloud DNS - Reliable, resilient, low-latency DNS serving from Google’s worldwide network of Anycast DNS servers.
namebench - Provides personalized DNS server recommendations based on your browsing history.