OpenDNS!

Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider.

OpenNIC is an alternate network information center/alternative DNS root which lists itself as an alternative to ICANN and its registries.

SafeDNS is a cloud-based web filtering service providing users an efficient and easy-to-use way to maintain control over web access, limit time for web surfing, to monitor and manage online activity. The SafeDNS service ensures a safer web connection for users' individual devices (desktop computers, laptops, tablets, smartphones, etc.) and entire networks (by configuring the service on a WiFi router or a DSL modem). Any home user can protect up to 3 home networks (on Free plan with limited functionality). On a paid plan users get all of advanced service features. »

Yandex.DNS is a free, recursive DNS service. Yandex.DNS' servers are located in Russia, CIS countries, and Western Europe. Users' requests are processed by the nearest data center which provides high connection speeds.

NxFilter is a freeware web filtering software controlling user activity on Internet. You can monitor Internet usage in your network and block user request for websites with NxFilter. It offers many features like Active Directory integration, User or Group based policy assignment, Quota time, Dual policy for work-time and free-time, Runs everywhere including Windows, Linux, Mac, Embedded webserver and embedded DB, built-in GUI, Windows installer, Internationalized domain name support, Syslog exportation. »

Comodo Secure DNS is a domain name resolution service that resolves your DNS requests through Comodo worldwide network of redundant DNS servers. This can provide a much faster and more reliable Internet browsing experience than using the DNS servers provided by your ISP and does not require any hardware or software installation.It's quick and easy to change to Comodo Secure DNS. No downloads and it's absolutely free:8.26.56.268.20.247.20

FoolDNS is a DNS service to protect user privacy. It blocks advertising from services that use it to track the user without authorization.

ChurchDNS is a powerful cloud based DNS filter designed for churches and schools with multi-campus support. Unlike many competitive DNS filters which are simply rebranded white-labeled products, ChurchDNS was designed and built from the ground up to provide increased internet protection for end users at disruptively low costs. In addition to lower costs, ChurchDNS brings many industry leading features and capabilities designed to make content filtering easy for school and church IT administrators. »

There are thousands of infected and fraudulent Web site lurking on the Internet, with new ones popping up daily. So how do you know if a site is safe to visit or a dangerous site that should be avoided? Simple. Use Norton ConnectSafe. It automatically blocks dangerous Web sites so you can surf the Web without worrying about getting infected or scammed.

SaferNet is a cloud based (and alternatively on premise) provider of web filtering and internet security services using DNS technology.

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. Our affordable pricing model is based upon usage, allowing our service to scale to your network requirements in real time.

Generate a DNS report for any website. The DNS report contains IP address, name servers, mail exchanges, and more... This application is free to use.

Blue Reef is the only Australian Internet Management vendor that exclusively services the education market. We are trusted by hundreds of schools across every state and territory of Australia and New Zealand, as well as International Schools throughout South East Asia and China.

Squidblacklist.org, is the worlds leading publisher of domain blacklist data tailored specifically for web filtering applications and platforms. Multiple formats available for broad compatibility, for download in multiple different packages, compressed and plaint text archives, shalla/urbl compatible archive structure and standalone acls.

Provided free of charge, Free Recursive DNS enables end users and businesses to experience a much more reliable, faster and safer Internet experience.