List of 503 registered instances:
unseen-university.social
mastdn.coffeehack.org
schumacher.social
mastodon.1up2down.social
masto2.100flowers.tech
social.zauchen.io
mastodon.kug.is
social.hostnetwork.xyz
sharkey.wheelsbot.dev
netcup.social
buckaroo.city
17th.me
matrix.rocks
mastodon.circlewithadot.net
social.zerojay.com
mastodon.koch-server.de
mastodon.netconnect.icu
mastopouet.fr
mastodon.bruckner.email
social.rooty.fr
social.flashz.directory
fedi.tyil.nl
mastodon.magnor.ovh
vaughan.social
sk.milow.me
social.damacloud.duckdns.org
mastodon.deathbybandaid.net
tacheles.social
toot.wiai.de
social.asgardius.company
fedi.smith.geek.nz
schnauzer.cafe
mastodon.naugrim.org
mastodon.gefrickel.nohost.me
tranvender.site
social.itwien.net
social.macer.life
mast.internal.nullreference.io
social.khaus.io
social.relula.nl
sueden.social
mastodon.jamidisi-edu.de
social.schnitzler.one
social.beaware.live
social.vleij.com
wendland.elbe.social
toot.zerojay.com
mast.f0ck.org
social-pflege.de
mast.flups.familyds.org
mastodon.irridium.de
social.klein.ruhr
mastodon.baderpetrick.de
fed.interfree.ca
mastodon.helvetet.eu
drupal.community
space.jeroenvd.nl
md.jott-emm.social
social.alpacaverse.games
ja.social
club.dd5aa.de
bayerwald.social
glitch.sekbaer.de
mstdn.jmrp.io
mastodon.mariustimmer.de
mstdn.doern.tech
mastodon.friendnet.eu
mastodon.eskimo.com
catswords.social
hoax.social
social.sixdegreesofohio.com
mastodon.thecrimsontint.com
rel.re
test.mastodon.makerforce.io
2k2k.org
social.k2pk.com
social.wokurka.net
soc.cluboftone.com
masto.uc-netcorsoft.de
ruz.social
mastodon.dnns.icu
mastodon.tgo.social
mastodon.eisenbergs.de
social.merk.ac
mastodon.wappler.systems
mastodon.enitin.xyz
cailincat.cloud
mastodon.cyberreality.org
mastodon.mrtoto.de
toot.brumm.family
sharkey.daddelwerk.net
dresden.network
social.archworks.co
talk.balfolk.social
miltodon.social
ostkind.social
social.spicysources.de
fedi.latenightpopcorn.com
social.dvdr.download
racoon.social
shout.3xd.eu
mastodon.kmu-angebote.ch
social.redflag.ps
nautical.social
swedishmastodon.social
bytepark.social
fedi.timka.win
fediverse.live
schaumburg.social
mstdn.fan
fedi.social
kitty.community
skyland.social
mstdn.azrak.io
sidestore.social
mastodon.solvality.com
social.rrrr.wtf
hauntshadesocial.nl
apotheke.social
piraten-partei.social
mastodon.fonsos.com
runbsd.duckdns.org
mstdn.sekbaer.de
k2pk.com
ravarkon.work.gd
misskey.dream-universe.org
mast.marzillier.net
borg.social
thohme.de
m.deepspace.cafe
thomasjpr.social
mastodon.malmoe.social
social.gnuweeb.org
toot.houbahouba.de
mstdn.budgie.lol
don.origofraktale.de
troete.rechenkugel.de
social.techniverse.net
mastodon.wananavuoutfitters.com
mastodon.glombit.de
fedi.frinx.network
partyparrot.social
mastodon.trabus322.eu
mastodon.saarland.social
qicx.net
onlinegemein.de
i-love.vodka
mastodon.kaschemme701.com
pfalz.social
mastodon.maescool.be
m.mirv.top
social.adlerweb.info
social.suchtbasis.de
social.appbakery.ee
m.lonet.org
kittie.gay
franken.social
toot.againstallodds.games
privacysafe.social
cosplaytweet.com
social.jnpw.net
mastodonian.org
mastodon.dsdrive.fr
mastodon.zapfmeister.net
mastodon-dev.stevex.online
mastodon.anura.team
nochiiverse.eu
mastodon.jabbxi.de
atergens.com
mastodon.digilol.net
stpauli.social
social.kyzune.com
social.onlythe.net
social.openlab-saar.de
mastodon.darkness.services
leipzig.town
social.detektor.fm
inthedeltawaves.social
firefish.nospy.net
social.sp-codes.de
social.blazma.st
flauschbar.thoshiswelt.de
sipstea.town
elbmatsch.de
m.heine.xyz
social.insider-it.de
mastodon.gemo.social
mastodon.greilach.dev
netzverpetzer.de
mastodon.itwichtel.de
mastodon.mynet.one
social.rand0m.fail
techtett.de
sharkeyspace.de
social.yussuv.com
mastodon.girolab.foo
rlp.social
status.pointless.one
mastodon.luseho.com
social.eggipedia.de
guerrill.art
social.row-social.de
eva00.cosplaytweet.com
connect.braydmedia.de
zeebo.social
frawas.de
mstdn.org
sachsen-medien.social
otter.nexus
bb5.social
mastodon.daponline.com
losodokodon.bandrate.org
masto.versagt.wien
jasdemi.com
social.greatvoid.org
mastodon.hostnetwork.xyz
burningboard.net
mastodon.liersch.it
eva.cosplaytweet.com
social.breisgaucave.de
mastodon.jonasled.de
social.pericles.hu
misskey.eskimo.com
mastodon.wormhole.eu
unredacted.social
Moep.social
jaaber.ch
collins-corner.cc
masto.baranovski.cloud
notwork.in
mastodon.terpotiz.net
hi.fabis.cafe
social.13-dx.de
social.digital-artifacts.net
fursona.party
blog.davidmckeitch.com
frinx.online
mastodon.bayern
mastodon.myocci.social
messydata.de
masto.i-bobs.com
ciechom.eu
mast.lukeog.com
mastodon.psykey.dev
troetmund.de
social.ism.yt
burnout.cafe
mastodon.e4b4.eu
ciechom.nohost.me
mastodon.joschlies.nohost.me
crafter.social
fruef.social
soc.intxiv.io
f.dresden.network
mastodon.ozioso.online
mastodon.dev-null.rocks
social.trackside.blog
is-likely.gay
yapmi.net
social.la-scic.fr
justabit.social
bitflipp.social
social.domaincrawler.com
mas.x64.onl
social.minecodes.de
toot.redundantnoise.eu
mastodon.gramschladen.de
fediverse.hybridlehrer.de
mastodon.une.fi
social.peregrinor.net
m.azis.pt
team.dumango.com
mastodon.olivernitsche.synology.me
afterspace.rocks
fedispace.de
social.zentonic.org
bremen.digital
mastodon.dsss.space
dorm.social
mastdn.communisme-informel.zone
mastodon.moestel.eu
mastodon.bstly.de
social.championpictures.at
social.main-angler.de
fastani.me
mastodon.derg.nz
fedi.abmgrt.dev
social.lex-blog.eu
social.anno79.de
plam-staging-01.sdu.li
penguicon.social
privacyofficers.social
mstdn.jklmno.org
mastodon.argentwolf.org
mastodon.rprivat.eu
social.xyntion.consulting
dark.morbia.org
mastodon.wivodaim.net
mstdn.canarylabs.eu
social.eubf.net
social.ceod.net
social.iamernie.ca
flipboard.social
freyjas.org
mastodon.kuenet.ch
lab.wheelsbot.dev
mastodon.forty-two.sh
social.msaood.com
social.grafschaft-aw.de
noto.social
mastodon.mapf.net
swissodon.ch
hacks.fi
mastodon.bandrate.org
social.autonomy.earth
firefish.nesohub.org
plusi.moe
social.sebastian-neu.de
jsp.haus
mastodon.hausofhomeaux.ca
mooose.org
mastodon.lordoftheplex.com
m.hu-social.de
social.anoxinon.de
mastodontech.de
mastodon.nordic.online
mastodon.calitabby.net
astroposting.de
mrrp.chimmie.k.vu
opencoaster.net
fed.crimsh.com
stay.woke.institute
scrunkly.cat
social.marzillier.net
troet.burg-halle.de
social.cooltux.net
gay.amsterdam
soc.c11um.de
mastodon.georgschilling.de
talk.mls20.de
mastodon.1337.blue
social.stage.anoxinon.de
social.vermona.com
schraepler.de
mastodon.livingonlinenow.com
activityocean.org
mstdn.radi0.cc
strangeminds.social
mastodon.stormcrest.org
mastodon.adtension.com
reddawn247.se
pink-unicorn.club
mastodon.rzgierskopp.de
whatisthat.xyz
social.xnet.place
social.cybertalk.io
soziale.cloud
fediverse.serialexperiments.club
social.netguide.io
mastodon.alphapuggle.dev
genista.osrx.chat
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
re.lire.im
m.freq.io
mas.todon.de
livingevil.de
friendica.collectifdhun.ovh
otaku.1337.blue
upload.chat
mastodon.scientiam.org
key.by0.tech
sharkey.nospy.net
mastodon.phundrak.com
liberareto.nesohub.org
social.amichan.de
masto.tstoll.me
social.stefanberger.net
mastodon.cemunz.de
homo.1919810.space
social.hostpath.de
misskey.bootjp.me
unsocial.morbia.org
her-mann.de
masto.kurohana.me
knse.net
social.redundantnoise.eu
x.good.news
mstdn.fun.systems
social.glisco.de
edafe.social
masto.allerlei.it
m.pilz.foo
falkensee.social
fedi.bcna.de
social.bobjargus.net
fedihub.de
made-online.net
social.stezen.de
social.retronerd.at
mastodon.kansaigaijin.com
fedineko.org
sns.onjann.club
kupione.click
ratingen.social
fedi.eisenbergs.de
firefish.crazy-to-bike.de
social.k1024.de
mastdn.io
mastodon.deepspace.cafe
plaudern.duckdns.org
social.penzberg.me
mstdn.business
social.michels.xyz
social.beachcom.org
mastodon.greatvoid.org
maztodon.se
dol.social
social-potsdam.space
social.kalterwinter.info
public.brothertec.eu
mastodon.jhcooke.com
masto.budgie.lol
social.undeadnetwork.de
www.mediacy.net
acn.social
mstdn.kielo.me
matriochka.intxiv.ru.com
disobey.net
mastodon.flups.familyds.org
brettspiel.space
ruby.good.news
mastodon.pixadon.ch
devellight.space
mastodon.projetretro.io
social.crablab.uk
social.media-techport.de
social.krserv.de
void.crypt0n.org
social.misk.cf
gnurfl.de
social.rsl.gg
social.noriakisana.dev
vhs.social
blog.dumango.com
fediverse-rocks.de
drip_drip_drip.activityocean.org
sharkey.coffeeandtrains.de
mastodon.gaias.social
social.fwcr.de
byzantinenexus.io
mastodon.zypper.net
mastodon.nextcraft.link
ramblings.social
technikpunk.net
troet.witte-nyumbani.de
birdbox.party
mastodon.loss.com.de
mastodon.maechler.cloud
mstdn.dru5k1.io
meerjungfrauengrotte.de
ottweiler.social
firefish.fediverse.live
goingdark.social
social.weiznich.de
mastodon.rh-social.org
spreebits.de
observatory.cyber.harvard.edu
mastodon.hu-social.de
social.nrwonline.org
social.elstabloserver.de
ferals-on.top
soc.cluboftone.com
fediblock.lol
social.mdosch.de
ebadf.port0.org
dyli.moe
social.eldshort.de
waifus.biz
www.paperbunny.asia
social.otsuka.haus
reactionarytenderqueer.minecraftnoob.com
yakup.karaman.app
station.y-space.de
akkoma.alster.space
glegle.party
soc.femme.cat
social.kyzune.com
pleroma.gruenelin.de
social.vengeful.eu
clew.live
pleroma.7seven.cloud
fedi.pathsecho.quest
fedi.bryie.com
fedi.kooosh.de
fedi.u2p.net
elektrine.ngrok.app
fediblock.24-7.ro
channermemes.baselinux.net
declin.eu
snac.wheelsbot.dev
clew.lol
pl.ametic.ovh
social.retroedge.tech