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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.

12,882domains with this primary MX
1.94%of 662,839 domains with MX
212distinct TLDs
2026-05-04snapshot date

TLD Distribution (top 30 of 212)

com — 7,976 (61.9%)
org — 676 (5.2%)
com.au — 342 (2.7%)
de — 287 (2.2%)
net — 286 (2.2%)
co.uk — 256 (2.0%)
fr — 249 (1.9%)
edu — 225 (1.7%)
ca — 214 (1.7%)
com.br — 162 (1.3%)
gov — 161 (1.2%)
es — 160 (1.2%)
it — 154 (1.2%)
co.jp — 118 (0.9%)
nl — 72 (0.6%)
co.nz — 63 (0.5%)
com.mx — 59 (0.5%)
eu — 56 (0.4%)
au — 52 (0.4%)
cl — 51 (0.4%)
io — 48 (0.4%)
at — 42 (0.3%)
us — 40 (0.3%)
be — 38 (0.3%)
jp — 38 (0.3%)
ie — 37 (0.3%)
ae — 34 (0.3%)
ch — 34 (0.3%)
no — 32 (0.2%)
com.tr — 29 (0.2%)

Domain Sample (top 100)

akamai.netinstagram.comakamaiedge.netakadns.netwhatsapp.comzoom.useuropa.eudropbox.comoracle.comscorecardresearch.comdoubleverify.combooking.comsalesforce.comspringer.comreuters.comibm.comharvard.eduwiley.comnature.comakamaihd.netakamaitech.netwashingtonpost.comwsj.comdell.comdailymotion.comstanford.educnbc.comwalmart.comfoxnews.compaloaltonetworks.commysql.comnpr.orgt-mobile.comscribd.comokta.comarubanetworks.comnbcnews.comatlassian.comcomcast.comoraclecloud.comforce.comtarget.comonetrust.comaccuweather.comcookielaw.orgups.comnike.comcbsnews.comnypost.comfb.comtapad.combox.comhomedepot.comzoom.combestbuy.commckinsey.comhbr.orgwashington.edufwmrm.netabc.net.aupornhub.comsportradar.comlife360.comnintendo.combiblegateway.combankofamerica.comarcgis.comlinode.comweforum.orgcorriere.itsegment.ioelmundo.escoupang.comnetgear.comcostco.comancestry.comcolumbia.eduleparisien.frmacys.commaricopa.govmarca.comatt.comgarmin.comskysports.comapa.orgupenn.edutrello.compandora.combiomedcentral.comgazzetta.itargos.co.ukyouporn.comsectigo.comredtube.comcdiscount.comid.meleroymerlin.frwisc.eduuci.edusun.com

Showing 100 of 12,882 domains. Sample sorted by Tranco rank.