Lemmy instances that don't federate with Lemmygrad

I was asked to do a list of instances that don't federate with lemmygrad.ml, so there it is (in addition to Sopuli):

• beehaw.org
• feddit.de
• wolfballs.com
• lemmy.rollenspiel.monster
• szmer.info
• midwest.social
• lemmy.perthchat.org