List of 520 registered instances:
hauntshadesocial.nl
onlinegemein.de
acn.social
firefish.fediverse.live
mastodon.maescool.be
mastodon.jhcooke.com
social.retronerd.at
mastodon.moestel.eu
social.digital-artifacts.net
mastodon.mariustimmer.de
mastodon.dnns.icu
social.beaware.live
goingdark.social
mrrp.chimmie.k.vu
unredacted.social
m.deepspace.cafe
social.stefanberger.net
mastodon.saarland.social
troet.burg-halle.de
collins-corner.cc
social.la-scic.fr
social.zauchen.io
mastodon.kansaigaijin.com
mastodon.irridium.de
ja.social
social.vir.group
sharkey.daddelwerk.net
livingevil.de
mstdn.dru5k1.io
olsberg.social
mastodon.phundrak.com
social.grafschaft-aw.de
mastodon.kaschemme701.com
toot.brumm.family
key.by0.tech
social.rooty.fr
swedishmastodon.social
mastdn.io
social.anoxinon.de
mastodon.rprivat.eu
mastodon.anura.team
mastodontech.de
social.k1024.de
mastodon.nordic.online
sharkey.coffeeandtrains.de
wendland.elbe.social
social.terminaltilt.com
troete.rechenkugel.de
atergens.com
firefish.nesohub.org
social.trackside.blog
thomasjpr.social
mastodon.helvetet.eu
yapmi.net
mstdn.fun.systems
social.beachcom.org
mastodon.daponline.com
pink-unicorn.club
mastodon.fediverse.dedyn.io
talk.mls20.de
social.gnuweeb.org
bb5.social
social.michels.xyz
social.noriakisana.dev
re.lire.im
social.khaus.io
discover.holm.community
ruby.good.news
social.eubf.net
sharkey.nospy.net
social.vermona.com
social.undeadnetwork.de
plusi.moe
netcup.social
jsp.haus
gay.amsterdam
is-likely.gay
social.witez.net
hollow.raccoon.quest
social.sebastian-neu.de
social.championpictures.at
activityocean.org
mstdn.kielo.me
masto.versagt.wien
matriochka.intxiv.ru.com
mastodon.glombit.de
social.redundantnoise.eu
masto.baranovski.cloud
noto.social
mstdn.org
fediverse.live
rel.re
swissodon.ch
homo.1919810.space
fursona.party
mastodon.terpotiz.net
space.jeroenvd.nl
schaumburg.social
mastodon.eskimo.com
mastodon.luseho.com
meerjungfrauengrotte.de
genista.osrx.chat
freyjas.org
hi.fabis.cafe
partyparrot.social
m.hu-social.de
social.domaincrawler.com
social.msaood.com
knse.net
mast.lukeog.com
mstdn.canarylabs.eu
ciechom.eu
bytepark.social
social.server17.net
k2pk.com
mastodon.zapfmeister.net
social.cooltux.net
mastodon.rzgierskopp.de
sachsen-medien.social
team.dumango.com
social-potsdam.space
dol.social
vhs.social
masto.tstoll.me
technikpunk.net
social.openlab-saar.de
losodokodon.bandrate.org
mastodon.livingonlinenow.com
mastodon.trabus322.eu
drip_drip_drip.activityocean.org
sk.milow.me
strangeminds.social
mstdn.jklmno.org
friendica.collectifdhun.ovh
mastodon.pixadon.ch
social.13-dx.de
mastodon.deathbybandaid.net
thohme.de
m.heine.xyz
mas.x64.onl
mastodon.tgo.social
reddawn247.se
ciechom.nohost.me
jasdemi.com
firefish.crazy-to-bike.de
social.macer.life
fedi.smith.geek.nz
mastodon-dev.stevex.online
franken.social
mastodon.joschlies.nohost.me
fedi.frinx.network
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
mastodon.bandrate.org
social.merk.ac
social.yussuv.com
social.media-techport.de
mstdn.business
social.klein.ruhr
status.pointless.one
her-mann.de
connect.braydmedia.de
mastodon.malmoe.social
borg.social
mast.internal.nullreference.io
piraten-partei.social
mastodon.psykey.dev
otter.nexus
sharkey.wheelsbot.dev
fedi.timka.win
social.insider-it.de
eva.cosplaytweet.com
firefish.nospy.net
mastodon.jonasled.de
mastodon.gefrickel.nohost.me
social.misk.cf
fediverse-rocks.de
skyland.social
social.greatvoid.org
mastodon.olivernitsche.synology.me
Moep.social
m.azis.pt
mastodon.gemo.social
social.ceod.net
fedihub.de
dresden.network
social.k2pk.com
i-love.vodka
social.amichan.de
messydata.de
social.stage.anoxinon.de
sns.onjann.club
tacheles.social
social.xyntion.consulting
social.glisco.de
don.origofraktale.de
mastodon.bstly.de
social.eggipedia.de
sharkey.pnyhf.eu
unsocial.morbia.org
mstdn.fan
x.good.news
mastodon.kug.is
social.schnitzler.one
mastodon.nerfwrecking.de
frawas.de
mastodon.1up2down.social
falkensee.social
mastodon.circlewithadot.net
talk.balfolk.social
mastodon.awit.at
social.main-angler.de
masto.i-bobs.com
md.jott-emm.social
mastodon.weindl.biz
mastodon.projetretro.io
glitch.sekbaer.de
mastodon.gramschladen.de
masto.allerlei.it
privacysafe.social
ruz.social
social-pflege.de
liberareto.nesohub.org
social.iamernie.ca
social.anno79.de
mast.marzillier.net
social.ism.yt
soziale.cloud
social.adlerweb.info
social.vleij.com
social.bobjargus.net
f.dresden.network
social.xnet.place
mastodonian.org
privacyofficers.social
social.techniverse.net
toot.houbahouba.de
social.crablab.uk
social.krserv.de
social.minecodes.de
social.kalterwinter.info
mastodon.maechler.cloud
fedi.eisenbergs.de
mstdn.budgie.lol
mastodon.hausofhomeaux.ca
kittie.gay
tranvender.site
mastodon.mrtoto.de
racoon.social
mastodon.enitin.xyz
mastodon.nextcraft.link
cailincat.cloud
mastopouet.fr
buckaroo.city
mastodon.naugrim.org
fediverse.hybridlehrer.de
zeebo.social
mastodon.neatobuilds.com
kupione.click
social.relula.nl
mastodon.baderpetrick.de
mastodon.1337.blue
mastodon.myocci.social
mastodon.mapf.net
whatisthat.xyz
mastodon.lordoftheplex.com
kitty.community
mastodon.gaias.social
mastodon.stormcrest.org
social.onlythe.net
blog.davidmckeitch.com
mastodon.greatvoid.org
m.lonet.org
matrix.rocks
test.mastodon.makerforce.io
mastodon.koch-server.de
apotheke.social
stpauli.social
void.crypt0n.org
mastodon.dsdrive.fr
scrunkly.cat
sueden.social
social.lex-blog.eu
penguicon.social
toot.zerojay.com
mastodon.itwichtel.de
ottweiler.social
misskey.eskimo.com
mastodon.kuenet.ch
plaudern.duckdns.org
mastodon.fonsos.com
astroposting.de
rlp.social
mstdn.azrak.io
masto.uc-netcorsoft.de
soc.c11um.de
social.fwcr.de
ostkind.social
social.stezen.de
mastodon.derg.nz
mastodon.kmu-angebote.ch
guerrill.art
fedispace.de
social.sp-codes.de
leipzig.town
social.weiznich.de
mastodon.georgschilling.de
fastani.me
mastodon.expect.ovh
afterspace.rocks
hoax.social
social.zerojay.com
shout.3xd.eu
mstdn.jmrp.io
social.autonomy.earth
mastdn.communisme-informel.zone
mastodon.girolab.foo
mastodon.ozioso.online
masto.namwen.me
social.kyzune.com
mastodon.loss.com.de
qicx.net
social.penzberg.me
m.pilz.foo
fedi.bcna.de
stay.woke.institute
sikotter.hikamer.f5.si
opencoaster.net
upload.chat
mastodon.zypper.net
social.row-social.de
mastodon.adtension.com
social.breisgaucave.de
mastodon.eisenbergs.de
eva00.cosplaytweet.com
masto.kurohana.me
flipboard.social
social.blazma.st
fedi.social
justabit.social
social.zcore.org
otaku.1337.blue
fedi.latenightpopcorn.com
mast.f0ck.org
17th.me
soc.intxiv.io
social.detektor.fm
notwork.in
social.spicysources.de
social.alpacaverse.games
mastodon.cyberreality.org
bitflipp.social
schumacher.social
birdbox.party
mstdn.doern.tech
drupal.community
mastodon.une.fi
social.marzillier.net
mastodon.bruckner.email
gnurfl.de
mas.todon.de
dark.morbia.org
mastodon.jabbxi.de
fed.interfree.ca
social.nrwonline.org
mastodon.flups.familyds.org
social.itwien.net
mastodon.dsss.space
social.flashz.directory
ratingen.social
nautical.social
techtett.de
unseen-university.social
burningboard.net
social.asgardius.company
mastodon.cemunz.de
jaaber.ch
mastodon.mynet.one
mastodon.argentwolf.org
sidestore.social
mastdn.coffeehack.org
mastodon.bayern
mastodon.magnor.ovh
mastodon.ferox.cc
social.archworks.co
catswords.social
mastodon.wananavuoutfitters.com
social.myexp.de
masto.jann.dev
mastodon.dev-null.rocks
social.sixdegreesofohio.com
fedi.welten-wanderin.de
mastodon.hu-social.de
blog.dumango.com
mooose.org
toot.redundantnoise.eu
ls-freunde.d-empires.de
brettspiel.space
public.brothertec.eu
schraepler.de
masto.budgie.lol
2k2k.org
runbsd.duckdns.org
social.cybertalk.io
mast.flups.familyds.org
mastodon.hostnetwork.xyz
mastodon.wivodaim.net
pfalz.social
club.dd5aa.de
social.pericles.hu
fedi.tyil.nl
mastodon.digilol.net
social.wokurka.net
flauschbar.thoshiswelt.de
misskey.dream-universe.org
fruef.social
fediverse.serialexperiments.club
spreebits.de
hacks.fi
bremen.digital
toot.wiai.de
mastodon.greilach.dev
sharkeyspace.de
frinx.online
www.mediacy.net
soc.cluboftone.com
sipstea.town
miltodon.social
mastodon.e4b4.eu
schnauzer.cafe
tusk.macer.life
maztodon.se
mstdn.radi0.cc
misskey.bootjp.me
mastodon.calitabby.net
disobey.net
social.hostpath.de
crafter.social
mastodon.jamidisi-edu.de
toot.againstallodds.games
devellight.space
social.suchtbasis.de
burnout.cafe
mastodon.alphapuggle.dev
social.appbakery.ee
troet.witte-nyumbani.de
fedineko.org
mastodon.forty-two.sh
mastodon.rh-social.org
ramblings.social
inthedeltawaves.social
mastodon.netconnect.icu
fedi.abmgrt.dev
social.jnpw.net
mastodon.liersch.it
social.netguide.io
mstdn.sekbaer.de
nochiiverse.eu
vaughan.social
social.damacloud.duckdns.org
social.peregrinor.net
m.freq.io
bayerwald.social
social.rsl.gg
social.hostnetwork.xyz
mastodon.thecrimsontint.com
made-online.net
observatory.cyber.harvard.edu
m.mirv.top
mastodon.deepspace.cafe
masto2.100flowers.tech
mastodon.solvality.com
fed.crimsh.com
social.rrrr.wtf
cosplaytweet.com
mastodon.scientiam.org
netzverpetzer.de
social.redflag.ps
troetmund.de
ravarkon.work.gd
social.rand0m.fail
mastodon.wormhole.eu
lab.wheelsbot.dev
social.dvdr.download
mastodon.darkness.services
mastodon.friendnet.eu
fedi.kooosh.de
social.retroedge.tech
www.paperbunny.asia
channermemes.baselinux.net
social.elstabloserver.de
dyli.moe
akkoma.alster.space
fedi.pathsecho.quest
fedi.bryie.com
yakup.karaman.app
ferals-on.top
pleroma.7seven.cloud
ebadf.port0.org
fedi.u2p.net
social.mdosch.de
glegle.party
social.vengeful.eu
elektrine.ngrok.app
social.otsuka.haus
declin.eu
snac.wheelsbot.dev
social.kyzune.com
fediblock.lol
pl.ametic.ovh
soc.femme.cat
waifus.biz
pleroma.gruenelin.de
fediblock.24-7.ro
clew.live
social.headphonism.com
soc.cluboftone.com
clew.lol
reactionarytenderqueer.minecraftnoob.com
social.eldshort.de
station.y-space.de