List of 509 registered instances:
gnurfl.de
don.origofraktale.de
toot.zerojay.com
mastodon.expect.ovh
mastodon.stormcrest.org
fed.interfree.ca
fedi.abmgrt.dev
mstdn.jmrp.io
mastodon.kmu-angebote.ch
mstdn.kielo.me
social.fwcr.de
dresden.network
masto.baranovski.cloud
frawas.de
Moep.social
masto.allerlei.it
elbmatsch.de
social.k2pk.com
social.k1024.de
otaku.1337.blue
mastodon.eisenbergs.de
noto.social
flauschbar.thoshiswelt.de
rel.re
mastdn.communisme-informel.zone
social.archworks.co
ls-freunde.d-empires.de
scrunkly.cat
social.beaware.live
schumacher.social
social.relula.nl
social.minecodes.de
mastodon.scientiam.org
ruz.social
afterspace.rocks
collins-corner.cc
social.main-angler.de
social.sixdegreesofohio.com
mastodon.gemo.social
social.spicysources.de
social.netguide.io
social.eubf.net
plusi.moe
social.onlythe.net
fed.crimsh.com
franken.social
fedi.frinx.network
rlp.social
social.vleij.com
astroposting.de
fediverse.hybridlehrer.de
mastodon.gramschladen.de
acn.social
swedishmastodon.social
social.weiznich.de
burningboard.net
atergens.com
social.xnet.place
fedi.latenightpopcorn.com
netcup.social
mastodon.kaschemme701.com
techtett.de
mastodon.maechler.cloud
mstdn.azrak.io
dark.morbia.org
justabit.social
social.nrwonline.org
mastodon.solvality.com
catswords.social
mastodon.jabbxi.de
kitty.community
mastodon.jonasled.de
technikpunk.net
misskey.dream-universe.org
matriochka.intxiv.ru.com
mastodon.pixadon.ch
m.heine.xyz
social.13-dx.de
social.noriakisana.dev
mastodon.mapf.net
social.breisgaucave.de
gay.amsterdam
mstdn.fun.systems
ratingen.social
freyjas.org
status.pointless.one
mastodon.mrtoto.de
mast.flups.familyds.org
social.macer.life
mrrp.chimmie.k.vu
mstdn.doern.tech
social.hostpath.de
social.klein.ruhr
mastodon.liersch.it
toot.againstallodds.games
mastodon.loss.com.de
social.suchtbasis.de
cosplaytweet.com
mastodon.zypper.net
mastodon.deepspace.cafe
piraten-partei.social
ravarkon.work.gd
sikotter.hikamer.f5.si
ja.social
mastodon.nordic.online
fediverse.serialexperiments.club
social.jnpw.net
mastodon.phundrak.com
mastodon.netconnect.icu
social.iamernie.ca
spreebits.de
social.sp-codes.de
schnauzer.cafe
mastodon.kug.is
social.zentonic.org
made-online.net
matrix.rocks
messydata.de
mastodon.cyberreality.org
sharkeyspace.de
masto2.100flowers.tech
hauntshadesocial.nl
mastodon.maescool.be
masto.tstoll.me
mastodon.dsss.space
masto.i-bobs.com
masto.kurohana.me
falkensee.social
mastodon.rh-social.org
fedi.welten-wanderin.de
mastodon.magnor.ovh
firefish.nospy.net
lab.wheelsbot.dev
upload.chat
livingevil.de
talk.balfolk.social
mastodon.alphapuggle.dev
reddawn247.se
social.ism.yt
social.media-techport.de
masto.budgie.lol
social-pflege.de
troete.rechenkugel.de
mastodon.rzgierskopp.de
ramblings.social
mastodon.zapfmeister.net
social.merk.ac
fruef.social
social.grafschaft-aw.de
fedi.tyil.nl
knse.net
mastodon.derg.nz
mastodon.fonsos.com
mas.todon.de
toot.houbahouba.de
social.bobjargus.net
mastodon-dev.stevex.online
inthedeltawaves.social
shout.3xd.eu
social.sebastian-neu.de
mstdn.radi0.cc
social.xyntion.consulting
social.alpacaverse.games
soc.c11um.de
social.lex-blog.eu
social.yussuv.com
mastodon.dev-null.rocks
mastodon.girolab.foo
social.msaood.com
m.mirv.top
social.khaus.io
unseen-university.social
crafter.social
social.cooltux.net
strangeminds.social
social.anoxinon.de
social.domaincrawler.com
social.greatvoid.org
social.flashz.directory
mastodon.1up2down.social
mastodon.glombit.de
nautical.social
key.by0.tech
mstdn.canarylabs.eu
drip_drip_drip.activityocean.org
m.lonet.org
mastodon.nerfwrecking.de
social.pericles.hu
social.dvdr.download
public.brothertec.eu
disobey.net
team.dumango.com
mstdn.dru5k1.io
social-potsdam.space
thomasjpr.social
privacysafe.social
sharkey.coffeeandtrains.de
ruby.good.news
qicx.net
sharkey.wheelsbot.dev
toot.brumm.family
www.mediacy.net
mastodon.olivernitsche.synology.me
eva00.cosplaytweet.com
birdbox.party
mastodon.trabus322.eu
mastodon.joschlies.nohost.me
social.vir.group
jasdemi.com
mastodon.greilach.dev
mastodon.mynet.one
fedi.timka.win
mastdn.coffeehack.org
fediverse.live
zeebo.social
leipzig.town
mastodon.mariustimmer.de
social.asgardius.company
mastodon.wormhole.eu
mastopouet.fr
social.peregrinor.net
test.mastodon.makerforce.io
her-mann.de
observatory.cyber.harvard.edu
social.anno79.de
mastodon.thecrimsontint.com
firefish.crazy-to-bike.de
mastodon.wananavuoutfitters.com
i-love.vodka
social.zerojay.com
losodokodon.bandrate.org
md.jott-emm.social
mastodon.e4b4.eu
social.retronerd.at
social.kalterwinter.info
mastodon.une.fi
mastodon.georgschilling.de
mastodon.calitabby.net
mastodon.friendnet.eu
unredacted.social
mstdn.business
soc.intxiv.io
social.michels.xyz
goingdark.social
club.dd5aa.de
fastani.me
plaudern.duckdns.org
bremen.digital
meerjungfrauengrotte.de
mast.marzillier.net
fedineko.org
social.kyzune.com
mastodon.terpotiz.net
mast.internal.nullreference.io
miltodon.social
vaughan.social
opencoaster.net
onlinegemein.de
social.amichan.de
skyland.social
social.cybertalk.io
bytepark.social
mastodon.ozioso.online
mastodon.koch-server.de
social.rand0m.fail
ciechom.eu
privacyofficers.social
genista.osrx.chat
social.schnitzler.one
unsocial.morbia.org
social.trackside.blog
mastodon.kuenet.ch
thohme.de
m.azis.pt
mastodon.kansaigaijin.com
troetmund.de
fedi.bcna.de
m.deepspace.cafe
mastodon.jamidisi-edu.de
social.eggipedia.de
brettspiel.space
social.hostnetwork.xyz
runbsd.duckdns.org
glitch.sekbaer.de
social.la-scic.fr
sidestore.social
m.hu-social.de
social.techniverse.net
social.stage.anoxinon.de
ostkind.social
mastodon.saarland.social
tranvender.site
mastodon.bayern
bb5.social
is-likely.gay
social.championpictures.at
mastodon.cemunz.de
mstdn.org
guerrill.art
2k2k.org
hacks.fi
mastodon.baderpetrick.de
social.redundantnoise.eu
mastodon.anura.team
mastodon.flups.familyds.org
toot.redundantnoise.eu
firefish.nesohub.org
mastodon.greatvoid.org
mastodon.nextcraft.link
partyparrot.social
netzverpetzer.de
hi.fabis.cafe
mastodon.tgo.social
mastodon.luseho.com
mastodon.myocci.social
social.rooty.fr
toot.wiai.de
mastodon.helvetet.eu
mastodon.dnns.icu
mastodon.daponline.com
fedispace.de
wendland.elbe.social
mastodon.digilol.net
social.wokurka.net
mastodon.livingonlinenow.com
buckaroo.city
pfalz.social
social.damacloud.duckdns.org
mastodonian.org
misskey.eskimo.com
social.openlab-saar.de
byzantinenexus.io
mastodon.gefrickel.nohost.me
social.row-social.de
sharkey.nospy.net
social.penzberg.me
mastodon.enitin.xyz
social.detektor.fm
yapmi.net
fedi.smith.geek.nz
social.stefanberger.net
ottweiler.social
social.crablab.uk
social.ceod.net
social.krserv.de
social.beachcom.org
mastodontech.de
m.pilz.foo
penguicon.social
troet.burg-halle.de
fedi.social
bitflipp.social
mastodon.wivodaim.net
tacheles.social
masto.namwen.me
stay.woke.institute
social.zauchen.io
social.itwien.net
mastodon.bandrate.org
mstdn.jklmno.org
mastodon.irridium.de
social.rrrr.wtf
frinx.online
social.glisco.de
sharkey.daddelwerk.net
mstdn.sekbaer.de
otter.nexus
mastodon.circlewithadot.net
activityocean.org
sk.milow.me
mooose.org
ciechom.nohost.me
misskey.bootjp.me
dol.social
mastdn.io
mastodon.adtension.com
connect.braydmedia.de
fedihub.de
cailincat.cloud
mastodon.moestel.eu
social.rsl.gg
soc.cluboftone.com
mstdn.budgie.lol
sachsen-medien.social
homo.1919810.space
void.crypt0n.org
fedi.eisenbergs.de
hoax.social
mastodon.forty-two.sh
mastodon.deathbybandaid.net
mastodon.bruckner.email
schraepler.de
jaaber.ch
f.dresden.network
mastodon.darkness.services
mastodon.bstly.de
17th.me
liberareto.nesohub.org
m.freq.io
talk.mls20.de
dorm.social
borg.social
social.stezen.de
stpauli.social
social.marzillier.net
schaumburg.social
mastodon.eskimo.com
mastodon.projetretro.io
mastodon.lordoftheplex.com
social.blazma.st
re.lire.im
sipstea.town
swissodon.ch
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
pink-unicorn.club
soziale.cloud
mas.x64.onl
mastodon.malmoe.social
blog.dumango.com
social.misk.cf
mastodon.psykey.dev
masto.versagt.wien
k2pk.com
mastodon.fediverse.dedyn.io
racoon.social
social.appbakery.ee
bayerwald.social
troet.witte-nyumbani.de
sns.onjann.club
mastodon.hostnetwork.xyz
mstdn.fan
fursona.party
flipboard.social
masto.uc-netcorsoft.de
notwork.in
nochiiverse.eu
apotheke.social
x.good.news
drupal.community
friendica.collectifdhun.ovh
mast.lukeog.com
mastodon.dsdrive.fr
jsp.haus
social.undeadnetwork.de
mastodon.hausofhomeaux.ca
eva.cosplaytweet.com
space.jeroenvd.nl
social.gnuweeb.org
mastodon.rprivat.eu
devellight.space
kupione.click
whatisthat.xyz
vhs.social
mastodon.hu-social.de
social.autonomy.earth
mastodon.itwichtel.de
sueden.social
masto.jann.dev
social.vermona.com
burnout.cafe
mastodon.jhcooke.com
social.digital-artifacts.net
firefish.fediverse.live
mastodon.gaias.social
blog.davidmckeitch.com
social.insider-it.de
social.adlerweb.info
maztodon.se
mast.f0ck.org
mastodon.naugrim.org
mastodon.1337.blue
social.redflag.ps
social.terminaltilt.com
kittie.gay
social.eldshort.de
station.y-space.de
soc.femme.cat
social.otsuka.haus
social.vengeful.eu
fedi.bryie.com
fediblock.24-7.ro
www.paperbunny.asia
elektrine.ngrok.app
soc.cluboftone.com
ferals-on.top
clew.live
social.elstabloserver.de
clew.lol
social.headphonism.com
pl.ametic.ovh
yakup.karaman.app
pleroma.gruenelin.de
pleroma.7seven.cloud
declin.eu
reactionarytenderqueer.minecraftnoob.com
dyli.moe
fedi.u2p.net
channermemes.baselinux.net
waifus.biz
social.retroedge.tech
fediblock.lol
social.kyzune.com
snac.wheelsbot.dev
glegle.party
fedi.pathsecho.quest
ebadf.port0.org
fedi.kooosh.de
social.mdosch.de
akkoma.alster.space