Rated 5 out of 5 stars

thank you for such as great add-on
question,how exactly work?example when i visit addons.mozilla.org the request by browser will send to dns server?then if itis not in blacklist will opened?
edit:thanks for replay.now i understand it and keep addon

This review is for a previous version of the add-on (1.01). 

> question,how exactly work?

1. you visit "addons.mozilla.org"
2. before request this domain checked in DNS-servers
3. after check this site will be open (or blocked) in your browser - depending on the settings of your rules