Not working in OS X 10.6.8 and Firefox 30.0 Rated 5 out of 5 stars

Version 2.1.1 not working with set as DNS on OS X 10.6.8 and Firefox 30.0. Performing the test does not bring back any error or result..
But very important plugin idea!

EDIT: Tried old 1.1.5 Version, which works quite fine...:-)

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