List of 407 registered instances:
mastodon.phundrak.com
mastdn.communisme-informel.zone
goingdark.social
social.hostnetwork.xyz
schraepler.de
mastodonian.org
schaumburg.social
gnurfl.de
mastodon.kuenet.ch
shark.datenkastl.de
bytepark.social
mastodon.mynet.one
masto2.100flowers.tech
maztodon.se
public.brothertec.eu
social.sebastian-neu.de
sharkey.coffeeandtrains.de
mastodon.mapf.net
whatisthat.xyz
noto.social
fed.crimsh.com
social.yussuv.com
frawas.de
key.by0.tech
mstdn.kielo.me
social.rand0m.fail
burnout.cafe
masto.uc-netcorsoft.de
mastodon.mrtoto.de
sachsen-medien.social
linksextrem.ist
mastodon.dev-null.rocks
mastodon.mcb-it.de
mastodon.rh-social.org
social.asgardius.company
mas.todon.de
shout.3xd.eu
fedi.abmgrt.dev
social.noriakisana.dev
apotheke.social
mastodon.jonasled.de
mastodon.deepspace.cafe
mastodon.thecrimsontint.com
nautical.social
social.techniverse.net
eva00.cosplaytweet.com
brettspiel.space
mastodon.dsss.space
social.greatvoid.org
swissodon.ch
mstdn.canarylabs.eu
observatory.cyber.harvard.edu
cosplaytweet.com
masto.baranovski.cloud
genista.osrx.chat
social.merk.ac
troete.rechenkugel.de
social.trackside.blog
glitch.sekbaer.de
nochiiverse.eu
mstdn.fun.systems
mastodon.blocki.net
skyland.social
mastodon-dev.stevex.online
hauntshadesocial.nl
social.anno79.de
social.kyzune.com
unredacted.social
k2pk.com
mastodon.jabbxi.de
social.amichan.de
mast.internal.nullreference.io
toot.againstallodds.games
fedi.bcna.de
ratingen.social
social.beachcom.org
tacheles.social
mstdn.budgie.lol
mast.lukeog.com
buckaroo.city
qicx.net
dorm.social
f.dresden.network
mastodon.moestel.eu
elbmatsch.de
inthedeltawaves.social
mastodon.liersch.it
soziale.cloud
mastodon.dnns.icu
masto.versagt.wien
firefish.crazy-to-bike.de
runbsd.duckdns.org
mastodon.scientiam.org
dol.social
sipstea.town
misskey.bootjp.me
mastodon.zapfmeister.net
social.zerojay.com
sueden.social
opencoaster.net
mastodon.terpotiz.net
fursona.party
connect.braydmedia.de
mastodon.dsdrive.fr
social-potsdam.space
mastodon.cyberreality.org
mastodon.kug.is
mastodon.bruckner.email
social.dvdr.download
drip_drip_drip.activityocean.org
stay.woke.institute
social.k1024.de
mastodon.saarland.social
catswords.social
jaaber.ch
pink-unicorn.club
ciechom.eu
x.good.news
mastodon.1337.blue
soc.c11um.de
firefish.nesohub.org
md.jott-emm.social
social.misk.cf
astroposting.de
mastodon.eskimo.com
kupione.click
privacysafe.social
sozial.roter-kreis.de
justabit.social
mastodon.mariustimmer.de
social.spicysources.de
social.media-techport.de
otaku.1337.blue
re.lire.im
mastodon.calitabby.net
mstdn.org
masto.allerlei.it
strangeminds.social
mastodontech.de
mastodon.darkness.services
tranvender.site
burningboard.net
social.crablab.uk
social.minecodes.de
mastodon.fonsos.com
social.stefanberger.net
mastodon.zypper.net
social.iamernie.ca
misskey.dream-universe.org
social.breisgaucave.de
mast.marzillier.net
stpauli.social
devellight.space
m.pilz.foo
sidestore.social
vhs.social
mastodon.hausofhomeaux.ca
bayerwald.social
mastodon.wappler.systems
frinx.online
mstdn.dru5k1.io
social.onlythe.net
social.appbakery.ee
mastodon.olivernitsche.synology.me
social.k2pk.com
mastodon.trabus322.eu
social.grafschaft-aw.de
mastodon.mrak.at
mastodon.friendnet.eu
birdbox.party
mastodon.gramschladen.de
mastodon.greilach.dev
ottweiler.social
fedi.latenightpopcorn.com
homo.1919810.space
talk.balfolk.social
fruef.social
mas.x64.onl
social.marzillier.net
sns.onjann.club
privacyofficers.social
social.zentonic.org
eva.cosplaytweet.com
penguicon.social
disobey.net
social.glisco.de
fedineko.org
test.mastodon.makerforce.io
social.sp-codes.de
mastodon.tgo.social
thohme.de
mastodon.rprivat.eu
falkensee.social
firefish.fediverse.live
mastodon.netconnect.icu
upload.chat
mastodon.kmu-angebote.ch
social.khaus.io
social.autonomy.earth
social.alpacaverse.games
sharkeyspace.de
cailincat.cloud
jasdemi.com
social.la-scic.fr
soc.intxiv.io
mastodon.gemo.social
vaughan.social
m.freq.io
mastodon.nordic.online
ruz.social
17th.me
pfalz.social
status.pointless.one
mastodon.wananavuoutfitters.com
mastodon.malmoe.social
mastodon.digilol.net
kitty.community
social.domaincrawler.com
troet.burg-halle.de
edafe.social
mastodon.pixadon.ch
swedishmastodon.social
mastodon.jamidisi-edu.de
social.xnet.place
social.wokurka.net
social.peregrinor.net
m.lonet.org
afterspace.rocks
m.heine.xyz
mstdn.doern.tech
mastodon.flups.familyds.org
fediverse.serialexperiments.club
hacks.fi
mastodon.daponline.com
social.ceod.net
is-likely.gay
mastopouet.fr
mastodon.alphapuggle.dev
toot.houbahouba.de
ramblings.social
misskey.eskimo.com
dresden.network
ruby.good.news
social.itwien.net
mastodon.kaschemme701.com
club.dd5aa.de
mooose.org
c64.social
soc.cluboftone.com
plaudern.duckdns.org
mastodon.greatvoid.org
social.macer.life
social.rsl.gg
social.rooty.fr
mastodon.loss.com.de
activityocean.org
plusi.moe
lab.wheelsbot.dev
mastodon.rzgierskopp.de
masto.kurohana.me
zeebo.social
mastodon.une.fi
mastodon.magnor.ovh
mastodon.nextcraft.link
fed.interfree.ca
social.pericles.hu
social.galih.me
toot.zerojay.com
mastodon.adtension.com
mastdn.coffeehack.org
mastodon.helvetet.eu
mastodon.joschlies.nohost.me
fedi.social
flipboard.social
flauschbar.thoshiswelt.de
mastodon.livingonlinenow.com
mastodon.forty-two.sh
mstdn.jklmno.org
sharkey.nospy.net
racoon.social
social.vleij.com
mastodon.derg.nz
social.digital-artifacts.net
leipzig.town
mstdn.business
talk.mls20.de
social.flashz.directory
social.main-angler.de
social.vermona.com
ciechom.nohost.me
fastani.me
social.stezen.de
masto.tstoll.me
social.blazma.st
social.rrrr.wtf
liberareto.nesohub.org
m.flaem.ing
mast.flups.familyds.org
mastodon.irridium.de
social.klein.ruhr
social.suchtbasis.de
mastodon.bstly.de
mstdn.jmrp.io
masto.budgie.lol
social.adlerweb.info
toot.wiai.de
techtett.de
fedispace.de
her-mann.de
netcup.social
spreebits.de
watzmann.social
fedihub.de
m.deepspace.cafe
mrrp.chimmie.k.vu
social.cybertalk.io
toot.brumm.family
fediverse.live
mastodon.naugrim.org
social.michels.xyz
social-pflege.de
yapmi.net
friendica.collectifdhun.ovh
collins-corner.cc
mastodon.georgschilling.de
fedi.timka.win
mastdn.io
mastodon.koch-server.de
netzverpetzer.de
franken.social
troet.witte-nyumbani.de
mastodon.projetretro.io
bb5.social
mastodon.maechler.cloud
unseen-university.social
mastodon.wivodaim.net
social.13-dx.de
blog.davidmckeitch.com
mastodon.jhcooke.com
mastodon.baderpetrick.de
social.beaware.live
mastodon.gaias.social
mastodon.ozioso.online
social.eggipedia.de
social.archworks.co
social.retronerd.at
hi.fabis.cafe
notwork.in
social.kalterwinter.info
social.sixdegreesofohio.com
social.cooltux.net
schnauzer.cafe
miltodon.social
firefish.nospy.net
mastodon.deathbybandaid.net
mstdn.sekbaer.de
knse.net
thomasjpr.social
social.championpictures.at
social.undeadnetwork.de
fediverse.hybridlehrer.de
atergens.com
mastodon.solvality.com
social.schnitzler.one
social.msaood.com
mastodon.myocci.social
social.insider-it.de
mastodon.itwichtel.de
mastodon.bayern
social.eubf.net
space.jeroenvd.nl
social.xyntion.consulting
borg.social
schumacher.social
mstdn.fan
mstdn.mv2k.com
mastodon.1up2down.social
troetmund.de
mastodon.hostnetwork.xyz
mastodon.enitin.xyz
guerrill.art
bremen.digital
social.krserv.de
partyparrot.social
m.mirv.top
station.y-space.de
social.kyzune.com
akkoma.alster.space
clew.lol
declin.eu
social.vengeful.eu
pl.ametic.ovh
ferals-on.top
fediblock.24-7.ro
soc.cluboftone.com
social.mdosch.de
social.otsuka.haus
glegle.party
fedi.u2p.net
pleroma.7seven.cloud
social.elstabloserver.de
reactionarytenderqueer.minecraftnoob.com
waifus.biz
fediblock.lol
fedi.kooosh.de
fedi.bryie.com
pleroma.gruenelin.de