List of 514 registered instances:
mstdn.azrak.io
social.stage.anoxinon.de
mastodon.deathbybandaid.net
bremen.digital
social.damacloud.duckdns.org
scrunkly.cat
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
technikpunk.net
social.peregrinor.net
status.pointless.one
kittie.gay
mstdn.fun.systems
m.heine.xyz
mastodon.une.fi
hacks.fi
fediverse.hybridlehrer.de
sharkey.coffeeandtrains.de
social.relula.nl
social.flashz.directory
masto.kurohana.me
mastodon.moestel.eu
is-likely.gay
hauntshadesocial.nl
x.good.news
void.crypt0n.org
bayerwald.social
mastodon.liersch.it
social.jnpw.net
social.zauchen.io
mastodon.joschlies.nohost.me
borg.social
partyparrot.social
collins-corner.cc
mastodon.circlewithadot.net
social.sebastian-neu.de
brettspiel.space
mast.f0ck.org
pfalz.social
social.minecodes.de
mastodon.derg.nz
birdbox.party
genista.osrx.chat
social.ceod.net
mastodon.1337.blue
social.dvdr.download
fedi.social
thomasjpr.social
bitflipp.social
crafter.social
matrix.rocks
m.freq.io
mstdn.fan
mstdn.jklmno.org
social.retronerd.at
mstdn.radi0.cc
falkensee.social
mastodon.rprivat.eu
her-mann.de
mastodon.nextcraft.link
social.kyzune.com
social.media-techport.de
activityocean.org
social.grafschaft-aw.de
mastodon.kaschemme701.com
mastodon.olivernitsche.synology.me
social.blazma.st
social.rand0m.fail
troete.rechenkugel.de
cailincat.cloud
mastodon.mapf.net
social.michels.xyz
mastodon.dsss.space
social.krserv.de
social.eggipedia.de
m.lonet.org
mstdn.business
f.dresden.network
swedishmastodon.social
social-potsdam.space
firefish.nesohub.org
troet.witte-nyumbani.de
mastodon.eskimo.com
flauschbar.thoshiswelt.de
social.vleij.com
mas.todon.de
vhs.social
troetmund.de
mastodon.gaias.social
jsp.haus
atergens.com
piraten-partei.social
frinx.online
social.detektor.fm
fediverse-rocks.de
mastodon.irridium.de
talk.balfolk.social
kupione.click
masto.budgie.lol
social.bobjargus.net
lab.wheelsbot.dev
afterspace.rocks
social.misk.cf
social.rrrr.wtf
cosplaytweet.com
social.main-angler.de
mastodon.gramschladen.de
md.jott-emm.social
mastodon.greatvoid.org
plusi.moe
strangeminds.social
mstdn.budgie.lol
mastodon.mrtoto.de
flipboard.social
sikotter.hikamer.f5.si
disobey.net
mastodon.friendnet.eu
mrrp.chimmie.k.vu
mastodon.fonsos.com
gay.amsterdam
firefish.fediverse.live
social.terminaltilt.com
connect.braydmedia.de
burningboard.net
mastodon.zapfmeister.net
fedi.tyil.nl
team.dumango.com
social.hostnetwork.xyz
social.penzberg.me
social.gnuweeb.org
fedihub.de
Moep.social
mast.lukeog.com
guerrill.art
mastdn.io
mastodon.kug.is
buckaroo.city
mastodon.mynet.one
social.hostpath.de
apotheke.social
sachsen-medien.social
unredacted.social
livingevil.de
social.crablab.uk
rlp.social
observatory.cyber.harvard.edu
otter.nexus
mastodon.wormhole.eu
qicx.net
mstdn.jmrp.io
firefish.crazy-to-bike.de
social.xnet.place
toot.redundantnoise.eu
friendica.collectifdhun.ovh
matriochka.intxiv.ru.com
social.itwien.net
social.yussuv.com
jasdemi.com
mastodon.jabbxi.de
troet.burg-halle.de
masto.i-bobs.com
mastodon.jhcooke.com
social.cooltux.net
firefish.nospy.net
social.netguide.io
social.insider-it.de
masto.baranovski.cloud
made-online.net
social.anno79.de
misskey.eskimo.com
mastodon.cemunz.de
toot.againstallodds.games
mstdn.canarylabs.eu
ottweiler.social
schnauzer.cafe
mastodon.zypper.net
netcup.social
fediverse.live
unseen-university.social
social.glisco.de
social-pflege.de
mastodon.netconnect.icu
sharkey.daddelwerk.net
racoon.social
mastodon.bayern
hoax.social
mastodon.anura.team
burnout.cafe
social.stezen.de
soc.intxiv.io
techtett.de
mastodon.ozioso.online
sipstea.town
social.domaincrawler.com
fedi.smith.geek.nz
mastodon.kmu-angebote.ch
homo.1919810.space
public.brothertec.eu
social.alpacaverse.games
m.mirv.top
ravarkon.work.gd
stpauli.social
schumacher.social
rel.re
social.fwcr.de
mastodon.dsdrive.fr
mastodon.saarland.social
stay.woke.institute
social.iamernie.ca
social.myexp.de
fastani.me
mastodon.scientiam.org
messydata.de
mastodon.eisenbergs.de
mstdn.dru5k1.io
eva.cosplaytweet.com
toot.brumm.family
onlinegemein.de
social.asgardius.company
noto.social
unsocial.morbia.org
mastodon.hostnetwork.xyz
sns.onjann.club
mastodon.myocci.social
plaudern.duckdns.org
social.redundantnoise.eu
soziale.cloud
social.amichan.de
soc.cluboftone.com
mastodon.forty-two.sh
mastodon.dnns.icu
mastodon.psykey.dev
social.xyntion.consulting
mastodon.nordic.online
fed.interfree.ca
fruef.social
mastodon.helvetet.eu
blog.dumango.com
mastopouet.fr
dresden.network
m.azis.pt
shout.3xd.eu
social.championpictures.at
mastodon.bruckner.email
social.digital-artifacts.net
reddawn247.se
olsberg.social
miltodon.social
k2pk.com
ja.social
social.zerojay.com
mstdn.kielo.me
mastodon.jamidisi-edu.de
mastodon.livingonlinenow.com
club.dd5aa.de
mastodon.expect.ovh
ratingen.social
mastodon.jonasled.de
social.merk.ac
dol.social
mastodon.pixadon.ch
social.spicysources.de
mastdn.coffeehack.org
mastodon.flups.familyds.org
mstdn.sekbaer.de
opencoaster.net
fursona.party
ciechom.nohost.me
social.beaware.live
mastodon.terpotiz.net
soc.c11um.de
social.rooty.fr
sharkey.pnyhf.eu
mastodon.solvality.com
mooose.org
nochiiverse.eu
sueden.social
social.pericles.hu
mastodon.girolab.foo
dorm.social
mastodon.projetretro.io
m.deepspace.cafe
bb5.social
mast.internal.nullreference.io
nautical.social
upload.chat
mastodon.nerfwrecking.de
yapmi.net
mastodon.hu-social.de
toot.zerojay.com
social.vir.group
social.appbakery.ee
mastodon.adtension.com
social.k1024.de
tusk.macer.life
mastodon.phundrak.com
mastodon.e4b4.eu
mastodon.malmoe.social
social.redflag.ps
mastodon.digilol.net
fedi.bcna.de
social.techniverse.net
misskey.dream-universe.org
social.breisgaucave.de
toot.wiai.de
maztodon.se
social.suchtbasis.de
fedineko.org
liberareto.nesohub.org
mastodon.kansaigaijin.com
mastodon.trabus322.eu
runbsd.duckdns.org
ruby.good.news
swissodon.ch
fedi.latenightpopcorn.com
masto.uc-netcorsoft.de
talk.mls20.de
tranvender.site
social.nrwonline.org
social.stefanberger.net
social.undeadnetwork.de
mastodon.thecrimsontint.com
fedi.timka.win
mstdn.org
mastodon.daponline.com
netzverpetzer.de
ruz.social
social.wokurka.net
blog.davidmckeitch.com
whatisthat.xyz
mastodon.koch-server.de
mastodonian.org
kitty.community
social.row-social.de
www.mediacy.net
mast.flups.familyds.org
m.hu-social.de
mastodon.dev-null.rocks
social.eubf.net
social.k2pk.com
masto.allerlei.it
mastodon.hausofhomeaux.ca
m.pilz.foo
mastodon.baderpetrick.de
17th.me
mastodon.mariustimmer.de
mastodon.wivodaim.net
social.13-dx.de
mast.marzillier.net
mastodon.naugrim.org
don.origofraktale.de
vaughan.social
meerjungfrauengrotte.de
mastodontech.de
masto.jann.dev
mastodon.lordoftheplex.com
social.sp-codes.de
drip_drip_drip.activityocean.org
mastodon.wananavuoutfitters.com
astroposting.de
social.la-scic.fr
mastodon.deepspace.cafe
social.marzillier.net
social.adlerweb.info
tacheles.social
sk.milow.me
schaumburg.social
masto.tstoll.me
masto2.100flowers.tech
mastodon.alphapuggle.dev
fedi.eisenbergs.de
mastodon.darkness.services
social.server17.net
mastodon-dev.stevex.online
mastodon.luseho.com
mastodon.georgschilling.de
jaaber.ch
ramblings.social
mastodon.cyberreality.org
discover.holm.community
mstdn.doern.tech
losodokodon.bandrate.org
social.cybertalk.io
ciechom.eu
mastodon.bandrate.org
fediverse.serialexperiments.club
mastodon.greilach.dev
mastodon.itwichtel.de
mastodon.gefrickel.nohost.me
social.vermona.com
social.ism.yt
mas.x64.onl
eva00.cosplaytweet.com
social.lex-blog.eu
spreebits.de
catswords.social
dark.morbia.org
social.macer.life
mastodon.loss.com.de
penguicon.social
social.archworks.co
franken.social
fedispace.de
justabit.social
mastodon.calitabby.net
gnurfl.de
devellight.space
social.beachcom.org
freyjas.org
misskey.bootjp.me
ls-freunde.d-empires.de
otaku.1337.blue
fedi.abmgrt.dev
schraepler.de
social.rsl.gg
drupal.community
mastodon.tgo.social
2k2k.org
social.kalterwinter.info
sharkeyspace.de
mastodon.gemo.social
fedi.frinx.network
re.lire.im
space.jeroenvd.nl
social.klein.ruhr
mastodon.maescool.be
social.weiznich.de
mastodon.glombit.de
ostkind.social
bytepark.social
frawas.de
social.onlythe.net
leipzig.town
notwork.in
i-love.vodka
social.khaus.io
mastodon.kuenet.ch
mastodon.rh-social.org
social.anoxinon.de
masto.versagt.wien
pink-unicorn.club
mastodon.1up2down.social
social.msaood.com
social.schnitzler.one
toot.houbahouba.de
mastodon.stormcrest.org
test.mastodon.makerforce.io
social.greatvoid.org
social.noriakisana.dev
masto.namwen.me
wendland.elbe.social
goingdark.social
acn.social
glitch.sekbaer.de
inthedeltawaves.social
key.by0.tech
mastodon.magnor.ovh
sharkey.wheelsbot.dev
mastdn.communisme-informel.zone
social.sixdegreesofohio.com
sharkey.nospy.net
privacysafe.social
mastodon.fediverse.dedyn.io
fed.crimsh.com
skyland.social
hi.fabis.cafe
zeebo.social
social.openlab-saar.de
thohme.de
mastodon.neatobuilds.com
sidestore.social
privacyofficers.social
mastodon.rzgierskopp.de
social.trackside.blog
social.autonomy.earth
mastodon.bstly.de
fedi.welten-wanderin.de
mastodon.enitin.xyz
knse.net
mastodon.maechler.cloud
declin.eu
social.headphonism.com
pl.ametic.ovh
station.y-space.de
pleroma.7seven.cloud
fedi.bryie.com
social.retroedge.tech
social.mdosch.de
akkoma.alster.space
www.paperbunny.asia
fedi.pathsecho.quest
clew.lol
social.eldshort.de
dyli.moe
fedi.u2p.net
glegle.party
fediblock.24-7.ro
waifus.biz
social.kyzune.com
snac.wheelsbot.dev
clew.live
social.elstabloserver.de
channermemes.baselinux.net
yakup.karaman.app
elektrine.ngrok.app
fediblock.lol
ferals-on.top
reactionarytenderqueer.minecraftnoob.com
pleroma.gruenelin.de
fedi.kooosh.de
social.vengeful.eu
social.otsuka.haus
ebadf.port0.org
soc.femme.cat
soc.cluboftone.com