[1] https://www.isc.org/rpz/ [2] https://unbound.docs.nlnetlabs.nl/en/latest/topics/filtering...
Take a look at the bug reports on github, on the IP address change metric, and research the people behind it. They seem to have moved on. It's not being maintained, and still pulls from defunct lists, dead lists, and so on.
Thanks for the info though, I didn’t know firehol was in such a bad state
(Such lists are trivial to use with ipset + linux, for example.)
Apparently, Tor Exit nodes are under safe category.