Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
ClouDNS - ClouDNS is a platform that allows users to keep their websites, data, and network security all the time.
1.1.1.1 - The free app that makes your Internet safer.