List of 478 registered instances:
schnauzer.cafe
sipstea.town
social.rand0m.fail
mastodon.greatvoid.org
mstdn.fun.systems
jaaber.ch
mast.marzillier.net
social.rooty.fr
social.openlab-saar.de
m.deepspace.cafe
mas.todon.de
mastodon.maechler.cloud
bremen.digital
social.vir.group
social.amichan.de
social.kyzune.com
watzmann.social
mstdn.jklmno.org
mastodon.jhcooke.com
social.beachcom.org
social.msaood.com
notwork.in
mastodon.jamidisi-edu.de
mastodon.baderpetrick.de
social.peregrinor.net
vaughan.social
mastodon.olivernitsche.synology.me
social.appbakery.ee
toot.wiai.de
eva00.cosplaytweet.com
mstdn.doern.tech
mstdn.sekbaer.de
runbsd.duckdns.org
social.ceod.net
mastodon.bruckner.email
buckaroo.city
collins-corner.cc
mastodon.kuenet.ch
social.championpictures.at
social.wokurka.net
mastodon.malmoe.social
social.breisgaucave.de
social.weiznich.de
mastodon.naugrim.org
misskey.dream-universe.org
mastodon.zapfmeister.net
mastodon.wormhole.eu
mastodon.gaias.social
kupione.click
mastodon.flups.familyds.org
mastodon.wivodaim.net
social.detektor.fm
schraepler.de
yapmi.net
otaku.1337.blue
is-likely.gay
mastodontech.de
mastodon.hostnetwork.xyz
social.kalterwinter.info
talk.mls20.de
blog.davidmckeitch.com
eva.cosplaytweet.com
techtett.de
mastodon.mynet.one
social.cooltux.net
dol.social
noto.social
social.marzillier.net
losodokodon.bandrate.org
void.crypt0n.org
guerrill.art
skyland.social
activityocean.org
mastodon.gramschladen.de
social.trackside.blog
mastodon.eskimo.com
inthedeltawaves.social
social.spicysources.de
mastodon.stormcrest.org
masto.versagt.wien
mastodon.1up2down.social
Moep.social
byzantinenexus.io
m.mirv.top
mstdn.kielo.me
swedishmastodon.social
mast.lukeog.com
social.yussuv.com
mastodon.projetretro.io
mastodon.hu-social.de
cailincat.cloud
space.jeroenvd.nl
social.zerojay.com
mastodon.darkness.services
mstdn.org
social.greatvoid.org
social.flashz.directory
jsp.haus
mastodon.livingonlinenow.com
mastodon.friendnet.eu
mastodon.calitabby.net
mastodon.saarland.social
unseen-university.social
sns.onjann.club
mastodon.nordic.online
mastodon.derg.nz
hauntshadesocial.nl
unsocial.morbia.org
fedi.timka.win
connect.braydmedia.de
m.heine.xyz
mastodon.zypper.net
mastodon.daponline.com
status.pointless.one
fediverse.live
nochiiverse.eu
mastodon.dev-null.rocks
liberareto.nesohub.org
mastodon.netconnect.icu
franken.social
acn.social
mastodon.helvetet.eu
masto.uc-netcorsoft.de
sharkey.daddelwerk.net
mastodon.mcb-it.de
fed.crimsh.com
mastodon.1337.blue
spreebits.de
fruef.social
social.suchtbasis.de
mastodon.gemo.social
vhs.social
2k2k.org
mastodon.mrtoto.de
sharkey.nospy.net
goingdark.social
ravarkon.work.gd
social.sebastian-neu.de
fedispace.de
homo.1919810.space
sueden.social
mastodon.deathbybandaid.net
mast.flups.familyds.org
ciechom.nohost.me
partyparrot.social
mastodon.alphapuggle.dev
mastodon.luseho.com
fedihub.de
sharkey.coffeeandtrains.de
firefish.crazy-to-bike.de
mastodon.loss.com.de
astroposting.de
ruz.social
fediverse.hybridlehrer.de
mastodon.kmu-angebote.ch
fedi.bcna.de
otter.nexus
www.mediacy.net
mastodon.dsdrive.fr
social.eggipedia.de
troete.rechenkugel.de
mastodon.solvality.com
stay.woke.institute
rlp.social
mastodon.une.fi
tranvender.site
mastodon.circlewithadot.net
m.azis.pt
sharkeyspace.de
m.freq.io
social.dvdr.download
falkensee.social
jasdemi.com
ratingen.social
c64.social
masto.kurohana.me
penguicon.social
m.hu-social.de
mastodon-dev.stevex.online
mstdn.jmrp.io
netcup.social
soc.c11um.de
mastdn.io
messydata.de
mastodon.thecrimsontint.com
f.dresden.network
social.techniverse.net
social.k2pk.com
dark.morbia.org
mastodon.mrak.at
social.row-social.de
mastodonian.org
sharkey.wheelsbot.dev
nautical.social
mastodon.adtension.com
blog.dumango.com
justabit.social
hi.fabis.cafe
tacheles.social
birdbox.party
troet.witte-nyumbani.de
technikpunk.net
m.flaem.ing
social.digital-artifacts.net
social.media-techport.de
sk.milow.me
social.sp-codes.de
fed.interfree.ca
social.domaincrawler.com
fediverse-rocks.de
social.michels.xyz
bayerwald.social
thohme.de
public.brothertec.eu
stpauli.social
social.anno79.de
social.khaus.io
club.dd5aa.de
bytepark.social
devellight.space
mastodon.ozioso.online
genista.osrx.chat
toot.houbahouba.de
mastodon.nextcraft.link
mastodon.cemunz.de
toot.redundantnoise.eu
mooose.org
hacks.fi
social.13-dx.de
swissodon.ch
masto2.100flowers.tech
firefish.fediverse.live
sachsen-medien.social
scrunkly.cat
mastodon.anura.team
masto.baranovski.cloud
her-mann.de
social.k1024.de
soc.intxiv.io
burnout.cafe
firefish.nospy.net
fedi.latenightpopcorn.com
social.autonomy.earth
flauschbar.thoshiswelt.de
mastodon.girolab.foo
toot.brumm.family
mstdn.fan
mastodon.pixadon.ch
masto.allerlei.it
social.undeadnetwork.de
social.rsl.gg
social.hostpath.de
social.stefanberger.net
social.zentonic.org
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
friendica.collectifdhun.ovh
mastodon.gefrickel.nohost.me
mastodon.dsss.space
mast.internal.nullreference.io
x.good.news
whatisthat.xyz
fedi.abmgrt.dev
edafe.social
talk.balfolk.social
mastodon.scientiam.org
social.macer.life
social.rrrr.wtf
kitty.community
social.retronerd.at
social.nrwonline.org
maztodon.se
mastodon.rprivat.eu
m.lonet.org
soc.cluboftone.com
social.iamernie.ca
miltodon.social
social.misk.cf
social.archworks.co
mastodon.maescool.be
mastdn.communisme-informel.zone
gnurfl.de
mastodon.wappler.systems
unredacted.social
mastodon.rh-social.org
catswords.social
mastodon.georgschilling.de
mastodon.terpotiz.net
social.xnet.place
shout.3xd.eu
mastodon.e4b4.eu
social.sixdegreesofohio.com
mastodon.myocci.social
social.crablab.uk
social.beaware.live
mstdn.azrak.io
mastodon.tgo.social
social-pflege.de
frinx.online
social.vermona.com
privacysafe.social
mastodon.eisenbergs.de
zeebo.social
k2pk.com
ramblings.social
fastani.me
mastodon.fonsos.com
pink-unicorn.club
social.gnuweeb.org
fedineko.org
mastodon.cyberreality.org
thomasjpr.social
racoon.social
key.by0.tech
masto.tstoll.me
mastodon.kug.is
olsberg.social
frawas.de
social.damacloud.duckdns.org
mstdn.business
social.pericles.hu
misskey.eskimo.com
mastodon.bstly.de
social.blazma.st
social.schnitzler.one
social.redflag.ps
social.alpacaverse.games
fediverse.serialexperiments.club
social.eubf.net
mastodon.bandrate.org
social.adlerweb.info
social.hostnetwork.xyz
troetmund.de
mastodon.lordoftheplex.com
social.asgardius.company
social-potsdam.space
mastodon.moestel.eu
mas.x64.onl
mastodon.deepspace.cafe
mastodon.itwichtel.de
mastodon.mapf.net
mastodon.joschlies.nohost.me
mastodon.hausofhomeaux.ca
dorm.social
glitch.sekbaer.de
schumacher.social
burningboard.net
mastodon.bayern
social.klein.ruhr
mastodon.rzgierskopp.de
md.jott-emm.social
social.jnpw.net
reddawn247.se
mastodon.jonasled.de
afterspace.rocks
mastodon.kaschemme701.com
social.insider-it.de
mastodon.liersch.it
flipboard.social
social.vleij.com
toot.againstallodds.games
borg.social
social.lex-blog.eu
meerjungfrauengrotte.de
livingevil.de
mastodon.enitin.xyz
ottweiler.social
mrrp.chimmie.k.vu
social.onlythe.net
ciechom.eu
crafter.social
misskey.bootjp.me
mastodon.magnor.ovh
toot.zerojay.com
observatory.cyber.harvard.edu
mastodon.irridium.de
fedi.smith.geek.nz
social.krserv.de
fursona.party
lab.wheelsbot.dev
mastodon.jabbxi.de
mastodon.digilol.net
team.dumango.com
qicx.net
mstdn.canarylabs.eu
mastodon.wananavuoutfitters.com
brettspiel.space
plaudern.duckdns.org
dresden.network
schaumburg.social
social.minecodes.de
social.main-angler.de
privacyofficers.social
m.pilz.foo
plusi.moe
upload.chat
test.mastodon.makerforce.io
mstdn.dru5k1.io
mastodon.mariustimmer.de
mastodon.argentwolf.org
mastodon.trabus322.eu
masto.budgie.lol
leipzig.town
disobey.net
onlinegemein.de
apotheke.social
mastopouet.fr
17th.me
social.cybertalk.io
social.xyntion.consulting
mastdn.coffeehack.org
soziale.cloud
ruby.good.news
atergens.com
mastodon.phundrak.com
sidestore.social
fedi.frinx.network
cosplaytweet.com
social.stezen.de
drip_drip_drip.activityocean.org
mastodon.dnns.icu
netzverpetzer.de
mastodon.kansaigaijin.com
mastodon.greilach.dev
social.glisco.de
re.lire.im
social.noriakisana.dev
troet.burg-halle.de
opencoaster.net
social.penzberg.me
bb5.social
elbmatsch.de
mstdn.budgie.lol
mastodon.koch-server.de
social.redundantnoise.eu
social.merk.ac
firefish.nesohub.org
social.la-scic.fr
strangeminds.social
pfalz.social
social.netguide.io
fedi.social
i-love.vodka
knse.net
mastodon.forty-two.sh
social.grafschaft-aw.de
social.itwien.net
pl.ametic.ovh
glegle.party
pleroma.gruenelin.de
fediblock.24-7.ro
social.mdosch.de
clew.live
ebadf.port0.org
www.paperbunny.asia
declin.eu
social.retroedge.tech
social.vengeful.eu
fedi.bryie.com
fedi.u2p.net
pleroma.7seven.cloud
social.elstabloserver.de
soc.cluboftone.com
station.y-space.de
elektrine.ngrok.app
social.eldshort.de
social.otsuka.haus
social.kyzune.com
yakup.karaman.app
reactionarytenderqueer.minecraftnoob.com
channermemes.baselinux.net
snac.wheelsbot.dev
waifus.biz
fedi.kooosh.de
fediblock.lol
akkoma.alster.space
ferals-on.top
soc.femme.cat
clew.lol