The maintainers of the "NixSPAM" blocklist (with a DNSBL zone of ix.dnsbl.manitu.net) have decided to shut down. As of January 16, 2025, their website at  nixspam.net  states that, "With a heavy heart, we have decided to discontinue the project ix.dnsbl.manitu.net." This  matches a statement posted by the blocklist's maintainer on X . No further information is availab…