CSOF (DE) — market share 2026

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According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), CSOF (DE) is the mailbox provider for 491 domains — 0.07% of 658,711 domains with MX records. Its strongest TLD is .com (45.8% of its domains). Detection: primary MX record (lowest preference).

491domains
0.07%of domains with MX records
67distinct TLDs
2026-07-13snapshot (updated daily)

Commonly used together with CSOF (DE)

What else the same 491 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

TypeServiceDomainsShare of CSOF (DE) users
ESPMailspike48298.2%

TLD distribution (top 30 of 67)

com — 225 (45.8%)
net — 58 (11.8%)
biz — 27 (5.5%)
one — 12 (2.4%)
fr — 11 (2.2%)
in — 9 (1.8%)
club — 8 (1.6%)
xyz — 8 (1.6%)
ru — 8 (1.6%)
co — 7 (1.4%)
online — 7 (1.4%)
vip — 6 (1.2%)
info — 6 (1.2%)
site — 6 (1.2%)
click — 5 (1.0%)
top — 5 (1.0%)
us — 5 (1.0%)
org — 4 (0.8%)
tv — 4 (0.8%)
shop — 3 (0.6%)
pro — 3 (0.6%)
dev — 3 (0.6%)
co.uk — 3 (0.6%)
buzz — 3 (0.6%)
sbs — 2 (0.4%)
nl — 2 (0.4%)
win — 2 (0.4%)
app — 2 (0.4%)
ink — 2 (0.4%)
fun — 2 (0.4%)

Frequently asked questions

How many domains use CSOF (DE)?

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

What is CSOF (DE)'s market share?

CSOF (DE) holds 0.07% 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 CSOF (DE)?

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 CSOF (DE)? 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)

tabtab-staging.comdenjoy.groupcsof.netnwsvr1.comnadbro.netneat.wtfdmdiao.comdyupbydns.comcinemas-infinite.comwebxjobs.orghomilistana.comkitty.mobiadv084.inadv094.inadv074.intweet.blogocbcwhfin.comocbcwhsb.comfrmdom.comnadtest.netlearnstore.vipmorgellonssupport.comhcybox.nettrafcfy.comdirectnic.ioozsn.netok389.comwilbderreis.rusa-mtnbusiness.co.zaopsforgood.frcosmelina.frpmsspb.netclouddrive.photosxxxy.bizdrivenblink.netmkuspt.compagaelrescate.comperiscope.storerudcx9.comiprosrv.comsupermegabest.comnpaym.com51379285.comsoft-update.comdns-parking.codiscord.tattoohcroc-bshg.comugsznkchr.netolimpaecb.xyzspringnow.netbjdhbl.comyinzhizhu.com8guiclub.comkinogid.pwolimp15d3.xyz4006138024.comcheckfedexexp.comvidalak.comcntoaster.comolimpef97.sitekoselugosavings.comb0f1d2.comkinoteatr.clubkr0.iofanhualiaoning.comolimp6301.siteifcfg.meeurocabel.tvvuegebjexe.clicklespionne.frhg33111.comchinahdjy.comversailles-repro.frmwspg.combiijethexe.clickusetele.comolimp876c.sitecatlabroadband.comaexwas.commp3-tut.bizchange-pass.infoarktk.xyzcloudshappen.comypdns.comjifr.netumeriver.com5i0372.comcloud-attachment.infomamsales.netdnsimg.combetsbc-24.comnddamp.comdealmpoker.freyecatchythemes.comusahostingnet.comas51997.netredhillsee.net51pugua.comwijsverbeteren.nlaitelecom.ru

Showing 100 of 491 domains.