Thanks to @tihmstar this is how to jailbreak your Apple TV 3 (3,1 & 3,2)
change your DNS to 184.108.40.206
Go to Send Data to Apple and press the play button
Click add profile and add the profile you see in the picture
Go back and open Trailers app and you should see etasonATV. Click the hashtag and after your ATV reboots go set DNS back to normal!
SSH into your ATV and install untether by typing in:
"dpkg -i /var/root/untether.deb"
(untether deb is downloaded by default)