Heart Internet (UK) — market share 2026

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According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Heart Internet (UK) is the mailbox provider for 121 domains — 0.02% of 658,711 domains with MX records. Its strongest TLD is .co.uk (35.5% of its domains). Detection: primary MX record (lowest preference).

121domains
0.02%of domains with MX records
17distinct TLDs
2026-07-13snapshot (updated daily)

Commonly used together with Heart Internet (UK)

What else the same 121 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

TypeServiceDomainsShare of Heart Internet (UK) users
ESPSendGrid (Twilio)75.8%
ESPMandrill65.0%
ESPMailgun65.0%
ESPMailjet (Sinch)54.1%
ESPMailchimp43.3%
ESPCampaign Monitor32.5%
ESPZendesk32.5%
ESPAmazon SES32.5%
ESPAuthSMTP32.5%
ESPSparkPost21.7%

TLD distribution (top 17 of 17)

co.uk — 43 (35.5%)
com — 40 (33.1%)
net — 8 (6.6%)
ie — 6 (5.0%)
uk — 5 (4.1%)
org — 5 (4.1%)
org.uk — 2 (1.7%)
info — 2 (1.7%)
biz — 2 (1.7%)
solutions — 1 (0.8%)
me — 1 (0.8%)
it — 1 (0.8%)
scot — 1 (0.8%)
town — 1 (0.8%)
online — 1 (0.8%)
press — 1 (0.8%)
mx — 1 (0.8%)

Frequently asked questions

How many domains use Heart Internet (UK)?

121 domains in the Tranco top-1M use Heart Internet (UK) as their mailbox provider as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is Heart Internet (UK)'s market share?

Heart Internet (UK) holds 0.02% of domains with MX records in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.

What are the biggest alternatives to Heart Internet (UK)?

The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-07-13).

Largest mailbox providers in this category

Self-Hosted (22.44%) · Google Workspace (21.78%) · Microsoft 365 (16.74%) · Unknown / Other (7.54%) · Generic / unmatched (mx*.*) (2.57%) · Proofpoint (1.90%) · Generic / unmatched (mail.*) (1.75%) · Yandex 360 (1.64%) · Cloudflare Email Routing (1.60%) · Mimecast (1.52%)

Mailbox providers portfolio → · Full daily report →

Sending through Heart Internet (UK)? Check whether your messages actually reach the inbox at Gmail, Outlook, Yandex and Mail.ru — free inbox placement test.
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Domain sample (top 100 by Tranco rank)

aboutcookies.orgpocketgamer.comflixfacts.comphase8.netstreetmap.co.ukweather-forecast.compocketgamer.bizswiftqueue.co.ukhosts.co.ukplanelogger.comipayimpact.co.ukshlock.co.uknames.co.ukretrododo.comndirect.co.ukhepdata.netpocketgamer.co.ukpublichealthscotland.scotblackhistorymonth.org.ukjadlamracingmodels.combosch-home.co.ukharrycorry.comnewlookassets.comdevere.co.ukdevelop-online.netgetfootballnewsgermany.comprojectsmart.co.ukinnovateuk.orgnovaloca.comvwfs.ieconstructionbriefing.comslotracer.onlinetctmagazine.commessybeast.comvisapaymentsfx.compoochandmutt.co.ukracingcircuits.infobrooktaverner.iecurriculumonline.iehl.ukgbspeedway.companorama.solutionshollandscountryclothing.co.ukukdb.ukogormans.co.ukteamhours.comcat-uxo.comcompletefrance.comsecuritysenses.comaptekaleki.co.ukworldlicenseplates.comceoemail.comrxsport.co.ukviewcam.memicheldevergroup.co.ukthe1975.comsteelconstruction.infoporcelainsuperstore.co.ukthebushcraftstore.co.ukartsmark.org.ukmagicshop.co.ukmanchesteracademy.nettheholidaylet.compurple-planet.comclub3000bingo.compaecon.netsteelserve.comgarfieldminusgarfield.netcwsellors.co.ukthelightingsuperstore.co.ukgingerparrot.co.ukphoto-personals.co.ukmed-technews.comvanmorrison.comcprd.comfuturepropertyauctions.co.ukelsewhen.presspopsyclothing.co.uksharcsoftware.comteachinherts.comtriumphmotorcycles.ittriumphmotorcycles.mxtriumphonline.netpgconnects.comclassiccharters.comnamesco.netlicensing.bizlostmss.co.ukvirtualflybrain.orgcuredpharmacy.comartsthread.coma1fashiongoods.comabdex.comadventurespec.comarydigitaltv.ukboomerangsounds.co.ukbowsbabyboutique.co.ukcavangaa.iecoastalmonitoring.orgcranebriefing.com

Showing 100 of 121 domains.