5 DNS Services to Block Porn Sites without Installing Software

4. SafeDNS


SafeDNS is a relatively new DNS service that concentrates on be able to block porn and a range of other unsavory websites such as violence, alcohol & smoking by default. If you sign up for a free account you can setup filtering for over 50 different categories containing around 5 million websites, configure exceptions and also view your DNS usage history. A Windows tool called SafeDNS Agent is also available to control all of the SafeDNS service options from the desktop.

Primary DNS server:
Secondary DNS Server:

Visit and Sign Up for SafeDNS

5. SentryDNS


The free SentryDNS service is able to provide limited content filtering and can block a number of websites in addition to pornography, including malware, phishing, botnets and illegal downloads. Optionally signing up to the service will allow you to control web filtering from different categories. A companion tool called SentryDNS WAN Agent will watch your WAN IP address and notify the SentryDNS service of any changes when they occur, a useful option for dynamic IP users.

Primary DNS Server:
Secondary DNS Server:

Visit SentryDNS Setup Guide

Try Out 3 of these DNS Services Using a Simple Program

The problem when you have a choice of services is you maybe can’t decide which one you should use. Or perhaps changing the DNS server is not something you’re comfortable in doing. Well, the good news is, there’s a handy little tool around that will give you the opportunity of trying out 3 of these DNS services with just the click of a button, no manual setting up needed.

DNS Angel is basically a cut down version of a useful tool called DNS Jumper which allows you to easily try out several different DNS servers from a preset list. DNS Angel has no preset list, and instead concentrates on enabling and switching between the OpenDNS FamilyShield, MetaCert DNS and Norton ConnectSafe services just by clicking on the relevant button.

DNS Angel

Simply start the program, it’s free and portable, and it will show your current DNS which will likely be something like etc. All you need to do is click on the button for the DNS service you want to try and then test it out in your browser, the web browser may need restarting if it’s open while changing DNS servers. You will obviously need to hide this tool on your computer so no-one else can change the DNS back to the default and enable adult website viewing again. Perhaps something like password protection might be included in a future version.

Download DNS Angel

Editor’s Note: One very important information that you should know is the DNS settings in Windows will override the one on your router. For example, if you’ve configured your router to use OpenDNS FamilyShield but the computer is using the Google Public DNS, the computer will end up using the Google’s DNS rather than OpenDNS. To prevent the DNS method being bypassed, you will need to create a restricted standard user account for your children so that they cannot change the DNS settings.

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