SafeDNS provides sophisticated cloud-based and software solutions for web content filtering which increase users' safety online by blocking botnets, malware and phishing resources, filter out most advertising and content users consider inappropriate.

Stubby is the name given to a mode of using getdns which enables it to act as a local DNS Privacy stub resolver (using DNS-over-TLS).

DNSFilter is a cloud-delivered DNS based content filtering and threat protection service that protects an unlimited amount of networks without the need for any in-house hardware or appliances.

ScoutDNS Protects Networks Through DNS Content Filtering, Malware/Phishing Protection, and Eliminating Most Web Based Advertisements.

Trust DNS is a free tool that helps bypass censorship, access blocked websites, & browse privately via anonymous DNS resolver.

WebTitan is a powerful web filter providing protection from web based security threats and advanced web and dns filtering control to businesses around the world.

DNS-as-a-Service. Private DNS Recursive Servers. Security, Privacy, Performance.

SmartViper is a web mining company dedicated to analyze web pages. They let anyone use their DNS servers for free. They log personal information with their website but it’s not clear what they log with their DNS service. They don’t share that information with third parties.

Make sure no one can see, track or exploit your browsing data ever again. Encrypt the entire Domain Name System (DNS) level of your computer or any smart device with Transport Layer Security (TLS)[1].