Cost / License
- Free
- Proprietary
Platforms
- Windows

Cisco Umbrella is described as '(formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go' and is a very popular DNS Resolver in the network & admin category. There are more than 50 alternatives to Cisco Umbrella, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best Cisco Umbrella alternative is NextDNS, which is both free and Open Source. Other great sites and apps similar to Cisco Umbrella are 1.1.1.1, Cloudflare, MullvadDNS and Control D.

You can decide what you see on the Internet. Web filtering to block custom keywords, malicious content, and trigger words.
FoolDNS is a DNS service to protect user privacy. It blocks advertising from services that use it to track the user without authorization.
With devices in the classroom, you can’t always see what students are doing behind their screens. GoGuardian Teacher allows you to know what students are doing on their devices and whether they are off-task or need help.



Provided free of charge, Free Recursive DNS enables end users and businesses to experience a much more reliable, faster and safer Internet experience.
Runs as a Windows service, supports any TCP/IP device. Display a blocked page as result of any domain name matched in the keywords list. Prevent installation of file sharing/P2P clients, spyware, or other malicious software - a technique referred to as DNS sinkhole or blackhole.

Free DNS service for the self-reliant people who want to experiment on their own, or keep all their zones in a single place.
ApateDNS™ is a tool for controlling DNS responses though an easy-to-use GUI. As a phony DNS server, ApateDNS spoofs DNS responses to a user-specified IP address by listening on UDP port 53 on the local machine. ApateDNS also automatically sets the local DNS to localhost.
CIRA Canadian Shield protects you from online threats such as malicious domains, phishing websites and helps to keep your personal data private. It also provides DNS privacy by keeping your DNS requests in Canada.





