1&1 IONOS

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Mailbox provider detected by primary MX target (lowest-preference record). Counts reflect Tranco top-1M domains with at least one MX record on snapshot 2026-05-04.

3,293domains with this primary MX
0.50%of 662,839 domains with MX
102distinct TLDs
2026-05-04snapshot date

TLD Distribution (top 30 of 102)

com — 1,326 (40.3%)
de — 787 (23.9%)
co.uk — 170 (5.2%)
org — 165 (5.0%)
fr — 157 (4.8%)
net — 151 (4.6%)
es — 114 (3.5%)
eu — 51 (1.5%)
info — 28 (0.9%)
io — 27 (0.8%)
org.uk — 26 (0.8%)
it — 23 (0.7%)
at — 20 (0.6%)
mx — 18 (0.5%)
ca — 16 (0.5%)
com.mx — 15 (0.5%)
app — 15 (0.5%)
cloud — 13 (0.4%)
online — 13 (0.4%)
uk — 10 (0.3%)
tv — 9 (0.3%)
co — 8 (0.2%)
shop — 8 (0.2%)
biz — 6 (0.2%)
ai — 6 (0.2%)
me — 6 (0.2%)
club — 5 (0.2%)
ch — 4 (0.1%)
dev — 3 (0.1%)
in — 3 (0.1%)

Domain Sample (top 100)

connman.netijg.orggays-cruising.comonboardicafe.comjson.orgdelivrdsp.aisdiapi.comversatel.de2ip.ruemmikochteinfach.dehearthis.atvpnjantit.com2ip.ioicalculator.comhymnary.orgapi-sports.ioonlinehome.ussitelytics.techonline.deccel.orgakamaized.calaby.netxviralz.comclub-toolkit.comuimserv.netshabdkosh.commein-datenschutzbeauftragter.dekanzlei-hasselbach.de1und1.netbdfutbol.comgoole.comcrystalinks.comtabacodeliarporkilo.comgitforwindows.orgresfu.comscinexx.deokcats.comfontstruct.comnonstoppartner.netnaturalsmokingleaf.comgesundheitsinformation.deawmf.orgdsbcontrol.destatlocker.ggsenenews.commspike.cainvelos.comfatmedia.iousinflationcalculator.comabfielder.comkatretter.degeorgerrmartin.coml-frii.comdubisthalle.demymusclevideo.compokemon-zone.comgamesforthebrain.comandaluciainformacion.esgelbe-liste.delemedecin.frmonstercockland.comblogoscoped.commywebspace.zonewatchlakorn.nettheotown.comfreeimagehosting.netlabymod.netoldthing.deinfo64.orggrindosaur.comscalzi.comcasinopauseandplay.essoccer-rating.comsolarmoviesz.compixelio.degalaxiamilitar.esbarebackbastards.comitcpostergallery.comski-nordique.netdavidpawson.orgmein-kraeuterkeller.detamilchristiansongs.inlivebyoptimum.comroxynailsparis.comreal-france.frciudadredonda.orgnerinaazad2.comdreamstudio.aitelephone.citycuentorelatos.comonlinehome.deliruch.comfomesoutra.comas3-2byoptimum.comgracestore.pkcarbonfootprint.comgotartwork.comcrockford.comprotectstar.comatendermdlz.com

Showing 100 of 3,293 domains. Sample sorted by Tranco rank.