have you considered adding a hardware keylogger to a child's computer? as the parent this is legal for you

blocking porn is like the War on Drugs: neither will be successful until the desire is stopped > mixing different DNS services produces inconsistent random results No.  This comes down to the client machine using sequential or parallel resolving.  Kn...

nslookup pornhub.com https://216.18.168.16 someone could create a local hostfile to skip externally resolving hostnames for porn oh noes    

It's almost as if you have been duped to believe he has a right to use your internet. DNS filters will only work if he is trying to resolve a host name 

> Issues with teen son   He can boot his computer with a flashdrive circumventing all local control (which would also leave no trace of flirting or porn) search google: boot tails There are parent-centric mobile MNVOs to enable content filtering and ...