Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
NextDNS - Block ads, trackers and malicious websites on all your devices.
Comodo Secure DNS - Comodo Secure DNS is the leading DNS provider. We offer Managed DNS, Enterprise DNS, Authoritative, Anycast and CDN DNS hosting.
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
Level3 DNS - Level3 DNS is one of the fastest DNS servers that provide you with the best performance while browsing the internet.