tldr; e@torworld.org != abuse@torworld.org
I have to add: ...according to security@torworld.org (security@ = abuse@).
In their own words:
Security TorWorld wrote (2016-12-12):
Hi,
When nodes are run under/by TorWorld we'll have one cluster MyFamily. However; I know a few of our members run private nodes with their "torworld.org" email address. So most likely you'll see some of our members running their own systems.
Thanks for showing us the updated list.