Generic / unmatched (smtp.*) — market share 2026

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According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Generic / unmatched (smtp.*) is the mailbox provider for 1,018 domains — 0.15% of 658,711 domains with MX records. Its strongest TLD is .com (30.6% of its domains). Detection: primary MX record (lowest preference).

1,018domains
0.15%of domains with MX records
133distinct TLDs
2026-07-13snapshot (updated daily)

Commonly used together with Generic / unmatched (smtp.*)

What else the same 1,018 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

TypeServiceDomainsShare of Generic / unmatched (smtp.*) users
ESPAmazon SES474.6%
ESPMailjet (Sinch)242.4%
ESPSendGrid (Twilio)232.3%
ESPMandrill171.7%
ESPMailchimp151.5%
ESPZendesk121.2%
ESPMailgun90.9%
ESPUnisender (RU)90.9%
ESPBrevo (ex-Sendinblue)80.8%
ESPHubSpot80.8%

TLD distribution (top 30 of 133)

com — 311 (30.6%)
net — 80 (7.9%)
org — 58 (5.7%)
de — 53 (5.2%)
ru — 46 (4.5%)
fr — 27 (2.7%)
com.tr — 22 (2.2%)
pl — 22 (2.2%)
ca — 17 (1.7%)
eu — 17 (1.7%)
cz — 15 (1.5%)
nl — 13 (1.3%)
it — 12 (1.2%)
io — 10 (1.0%)
be — 10 (1.0%)
no — 10 (1.0%)
fi — 9 (0.9%)
rs — 9 (0.9%)
pt — 9 (0.9%)
sk — 8 (0.8%)
vn — 8 (0.8%)
co.uk — 8 (0.8%)
tv — 8 (0.8%)
cn — 8 (0.8%)
es — 7 (0.7%)
ua — 7 (0.7%)
com.br — 7 (0.7%)
us — 7 (0.7%)
com.au — 7 (0.7%)
gr — 6 (0.6%)

Frequently asked questions

How many domains use Generic / unmatched (smtp.*)?

1,018 domains in the Tranco top-1M use Generic / unmatched (smtp.*) as their mailbox provider as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is Generic / unmatched (smtp.*)'s market share?

Generic / unmatched (smtp.*) holds 0.15% 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 Generic / unmatched (smtp.*)?

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 Generic / unmatched (smtp.*)? 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)

steamserver.netan1.comopera.softwarejhu.edugimp.orgfaipod.comsabah.com.trcase.edumultporn.netporntrex.comwisconsin.govatv.com.trfotomac.com.trrospotrebnadzor.ruloveplanet.rufortisase.comamazonaws.eudailysabah.comrbk.ruxiph.orgfunet.fisocialblade.comifconfig.ioidefix.compolitika.rsjhsph.eduspgo.iolink.net.pkturnto10.comfreenom.comwhoreshub.comuniprot.orgedmontonjournal.comnationthailand.comnissan.com.mxdigitale-sammlungen.deensilo.comdomains.ltfinna.fidr.com.trfoodsafety.govsparkpostmail1.comanaf.roextra.com.brstd.comp-on.rugtk.orgmedved-holding.comip-connect.infostopbullying.govahaber.com.trcd.cztorun.pldellsupportcenter.comtakvim.com.tricecast.org4tochki.runamed.beautonews.rularioja.comspmailtechnolo.compacjent.gov.plcdntrex.comwisconsinhistory.orgivd.rujhmi.eduwnet.provqbn.comlinphone.orgconcen.orgrule34.artfaidns.comexpedia.fridenti.caspmailtechnol.comjcy.gov.cnanyplace-hosting.netaspor.com.tryu.netmargonem.plfaiusr.comdiscoursehosting.netanyplace-dns.net1188.lvzbmath.orgbirch.netgruzovichkof.ruepag.netjavbangers.comth-koeln.denationmultimedia.comnissan.com.brphilips.frmsa-alliance.cneblik.plbricocash.frk8s.ooothechronicleherald.cahelloproject.comsurgeongeneral.gov

Showing 100 of 1,018 domains.