mastodon.art has blocked the following instances:

campduffel.social for "Right wing christianity, racism"
cassilda.house for "DNI, MAP"
dragonpsi.xyz for "'Free speech', antivax, queermisia"
fulltermprivacy.com for "Right-wing"
glowers.club for "Racism, free speech"
mastod.no for "Single user instance, admin is hugely transmisic, ableist, and nazi-apologism"
midnightride.rs for "Transphobia, conspiracies, racism"
ns.auction for "Slurs, Racism"
occultist.space for "Transmisia"
parcero.casa for "Parcero.bond block evading"
usualsuspects.lol for "transmisia"
wintermute.fr.to for "nazi"