Now, you can. DNS expert David Ulevitch had offered a service called OpenDNS, in late 2005. The main objective of OpenDNS is to improve the Internet experience for everyone from system administrators at large organizations to parents at home. In other words, OpenDNS could block the bad sites and allow the good. The best part is that, this service is provided for free.
How does OpenDNS works for you? OpenDNS could do content filtering automatically, by categories, ranging from social networking to gambling, and more. Don't forget the adult sites. All you have to do is to select which category to filter. Besides, OpenDNS could also monitor phishing Web sites via PhishTank.com data. If you really want to monitor what your child is doing on the Internet, OpenDNS also features Statistics.
Setting up OpenDNS on PC or network router is easy. It is just a matter of changing the DNS, register for an account and choose what to filter. OpenDNS provides a very good tutorial on how to do it in a very short time. Even a ten year old boy can do it.
As a conclusion, parents nowadays should monitor what their children are doing on the Internet. In order to do that, one of the free way to do it is via OpenDNS. Hopefully, we could save our children from the bad side of the Internet.
Link: OpenDNS (www.opendns.com)