List of 381 registered instances:
mastodon.baderpetrick.de
social.crablab.uk
devellight.space
social.beachcom.org
mastodon.kaschemme701.com
frawas.de
ramblings.social
mastodon.rh-social.org
ciechom.eu
runbsd.duckdns.org
m.deepspace.cafe
mastodon.magnor.ovh
miltodon.social
plaudern.duckdns.org
eva.cosplaytweet.com
mastodon.adtension.com
md.jott-emm.social
knse.net
borg.social
fedihub.de
mastodon.hostnetwork.xyz
social-potsdam.space
apotheke.social
social.la-scic.fr
social.cybertalk.io
social.rsl.gg
mastodon.thecrimsontint.com
social.pericles.hu
blog.davidmckeitch.com
social-pflege.de
mastodon.joschlies.nohost.me
dol.social
toot.zerojay.com
toot.brumm.family
fed.crimsh.com
mastodon.forty-two.sh
social.yussuv.com
m.freq.io
m.pilz.foo
fedispace.de
cosplaytweet.com
fursona.party
collins-corner.cc
mstdn.org
social.wokurka.net
mastodon.itwichtel.de
social.sebastian-neu.de
fedineko.org
mastodon.zypper.net
kupione.click
mastodonian.org
privacysafe.social
mstdn.fun.systems
mastodon.blocki.net
mastodon.phundrak.com
troete.rechenkugel.de
goingdark.social
edafe.social
social.hostnetwork.xyz
masto2.100flowers.tech
social.archworks.co
mstdn.jmrp.io
m.lonet.org
friendica.collectifdhun.ovh
thomasjpr.social
mastodon.darkness.services
soziale.cloud
mastdn.io
jasdemi.com
mastodon.greilach.dev
mastodon.irridium.de
social.glisco.de
mastodon.bayern
mstdn.fan
social.zerojay.com
sns.onjann.club
firefish.crazy-to-bike.de
nochiiverse.eu
social.media-techport.de
mastodon.bruckner.email
mastodon.flups.familyds.org
f.dresden.network
firefish.nesohub.org
frinx.online
mastopouet.fr
mastodon.alphapuggle.dev
mstdn.business
mastodon.jonasled.de
gnurfl.de
flauschbar.thoshiswelt.de
mastodon.maechler.cloud
social.eggipedia.de
mastodon.floe.earth
masto.allerlei.it
sueden.social
social.iamernie.ca
17th.me
social.main-angler.de
mastodon.eskimo.com
mastodon.mariustimmer.de
mastodon.1up2down.social
brettspiel.space
penguicon.social
swedishmastodon.social
mastodon.digilol.net
masto.baranovski.cloud
shout.3xd.eu
firefish.nospy.net
troet.burg-halle.de
catswords.social
social.klein.ruhr
misskey.bootjp.me
re.lire.im
shark.datenkastl.de
social.vleij.com
fedi.social
birdbox.party
social.kalterwinter.info
mstdn.doern.tech
mastodon.zapfmeister.net
kitty.community
space.jeroenvd.nl
social.alpacaverse.games
social.vermona.com
social.amichan.de
status.pointless.one
talk.mls20.de
mastodon.moestel.eu
masto.kurohana.me
mastodon.terpotiz.net
pfalz.social
misskey.dream-universe.org
mastodon.mapf.net
k2pk.com
mrrp.chimmie.k.vu
upload.chat
public.brothertec.eu
mastodon.saarland.social
social.noriakisana.dev
mastodontech.de
mast.internal.nullreference.io
social.anno79.de
elbmatsch.de
mastodon.gaias.social
fedi.latenightpopcorn.com
social.merk.ac
observatory.cyber.harvard.edu
fediverse.live
social.spicysources.de
social.13-dx.de
troet.witte-nyumbani.de
mastodon.jabbxi.de
dresden.network
mastodon.tgo.social
mastodon.nextcraft.link
mastodon.enitin.xyz
mastodon.georgschilling.de
social.rand0m.fail
nautical.social
yapmi.net
mastodon.greatvoid.org
inthedeltawaves.social
buckaroo.city
afterspace.rocks
m.heine.xyz
mastodon.myocci.social
eva00.cosplaytweet.com
m.mirv.top
social.sp-codes.de
toot.againstallodds.games
stay.woke.institute
social.onlythe.net
social.eubf.net
mastodon.wananavuoutfitters.com
flipboard.social
mastodon.scientiam.org
sozial.roter-kreis.de
social.digital-artifacts.net
hi.fabis.cafe
strangeminds.social
social.appbakery.ee
mstdn.sekbaer.de
social.ceod.net
maztodon.se
mastodon.malmoe.social
social.sixdegreesofohio.com
ratingen.social
mastodon.derg.nz
guerrill.art
club.dd5aa.de
fedi.abmgrt.dev
mastodon.jhcooke.com
ruby.good.news
social.stefanberger.net
mastodon.koch-server.de
ruz.social
bremen.digital
mastodon.pixadon.ch
mastodon.fonsos.com
mstdn.dru5k1.io
bb5.social
mastodon.daponline.com
zeebo.social
lab.wheelsbot.dev
mastodon.mynet.one
toot.wiai.de
mastodon.trabus322.eu
masto.uc-netcorsoft.de
social.blazma.st
talk.balfolk.social
mastodon.livingonlinenow.com
tranvender.site
mastodon.kmu-angebote.ch
fediverse.serialexperiments.club
test.mastodon.makerforce.io
mastodon.gramschladen.de
x.good.news
mastodon.calitabby.net
mast.lukeog.com
astroposting.de
mastodon.mrak.at
connect.braydmedia.de
m.flaem.ing
qicx.net
schnauzer.cafe
mstdn.mv2k.com
mastodon.projetretro.io
hauntshadesocial.nl
social.schnitzler.one
mastodon.nordic.online
social.zentonic.org
disobey.net
social.macer.life
whatisthat.xyz
franken.social
social.marzillier.net
social.krserv.de
mastodon.rzgierskopp.de
mastodon.mrtoto.de
social.kyzune.com
social.michels.xyz
social.itwien.net
social.beaware.live
mastodon.ozioso.online
sharkey.coffeeandtrains.de
social.flashz.directory
social.stezen.de
is-likely.gay
sharkey.nospy.net
social.dvdr.download
glitch.sekbaer.de
sachsen-medien.social
schaumburg.social
social.adlerweb.info
social.msaood.com
sipstea.town
noto.social
mastodon.helvetet.eu
racoon.social
genista.osrx.chat
mastodon.dnns.icu
key.by0.tech
mas.todon.de
mastodon.kuenet.ch
mastodon.neatobuilds.com
atergens.com
otaku.1337.blue
falkensee.social
mastdn.communisme-informel.zone
netcup.social
mastodon.solvality.com
fed.interfree.ca
justabit.social
techtett.de
netzverpetzer.de
fedi.bcna.de
soc.c11um.de
spreebits.de
mastodon.dsss.space
social.greatvoid.org
opencoaster.net
social.minecodes.de
mastodon.une.fi
c64.social
mas.x64.onl
sharkeyspace.de
mastodon.liersch.it
social.k1024.de
mastodon-dev.stevex.online
social.khaus.io
mast.marzillier.net
mastodon.bstly.de
mastodon.kug.is
masto.versagt.wien
swissodon.ch
social.breisgaucave.de
liberareto.nesohub.org
social.xnet.place
mastodon.naugrim.org
mastodon.gemo.social
mastodon.dsdrive.fr
plusi.moe
mastodon.jamidisi-edu.de
social.suchtbasis.de
notwork.in
fedi.timka.win
mastodon.wivodaim.net
unredacted.social
mastodon.deathbybandaid.net
mastodon.deepspace.cafe
mast.flups.familyds.org
mastodon.olivernitsche.synology.me
social.asgardius.company
thohme.de
fastani.me
social.insider-it.de
pink-unicorn.club
social.techniverse.net
social.galih.me
mooose.org
unseen-university.social
soc.cluboftone.com
mastodon.wappler.systems
privacyofficers.social
social.rrrr.wtf
partyparrot.social
her-mann.de
social.peregrinor.net
social.k2pk.com
burningboard.net
mstdn.kielo.me
vhs.social
schraepler.de
social.xyntion.consulting
hacks.fi
social.undeadnetwork.de
bayerwald.social
homo.1919810.space
mastdn.coffeehack.org
fruef.social
firefish.fediverse.live
troetmund.de
mastodon.friendnet.eu
misskey.eskimo.com
vaughan.social
mastodon.hausofhomeaux.ca
toot.houbahouba.de
soc.intxiv.io
mastodon.loss.com.de
social.misk.cf
mastodon.1337.blue
mstdn.jklmno.org
ottweiler.social
skyland.social
leipzig.town
social.trackside.blog
mastodon.dev-null.rocks
sidestore.social
burnout.cafe
social.cooltux.net
ciechom.nohost.me
mastodon.rprivat.eu
mastodon.cyberreality.org
fedi.lowpassfilter.link
akkoma.alster.space
social.mdosch.de
social.kyzune.com
declin.eu
fediblock.lol
waifus.biz
social.elstabloserver.de
social.otsuka.haus
glegle.party
station.y-space.de
pleroma.gruenelin.de
ferals-on.top
soc.cluboftone.com
social.vengeful.eu
fedi.u2p.net
pleroma.7seven.cloud
fedi.kooosh.de