CSC (corporate) — market share 2026

mailbox

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), CSC (corporate) is the mailbox provider for 1,023 domains — 0.16% of 658,711 domains with MX records. Its strongest TLD is .com (36.1% of its domains). Detection: primary MX record (lowest preference).

1,023domains

0.16%of domains with MX records

116distinct TLDs

2026-07-13snapshot (updated daily)

Commonly used together with CSC (corporate)

What else the same 1,023 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

Type	Service	Domains	Share of CSC (corporate) users
ESP	Amazon SES	5	0.5%
ESP	SendGrid (Twilio)	5	0.5%
ESP	Mailjet (Sinch)	4	0.4%
ESP	Masiv	4	0.4%
ESP	Mimecast	4	0.4%
ESP	Elastic Email	2	0.2%
ESP	Marketo (Adobe)	2	0.2%
ESP	Mandrill	2	0.2%
ESP	Proofpoint	2	0.2%
ESP	Mailgun	2	0.2%

TLD distribution (top 30 of 116)

com — 369 (36.1%)

net — 110 (10.8%)

fr — 47 (4.6%)

co.uk — 31 (3.0%)

tr — 25 (2.4%)

com.tr — 21 (2.1%)

biz — 18 (1.8%)

info — 17 (1.7%)

de — 16 (1.6%)

es — 16 (1.6%)

org — 13 (1.3%)

ca — 12 (1.2%)

ie — 12 (1.2%)

com.br — 12 (1.2%)

it — 12 (1.2%)

app — 11 (1.1%)

eu — 11 (1.1%)

pt — 11 (1.1%)

io — 10 (1.0%)

co — 9 (0.9%)

se — 9 (0.9%)

nl — 9 (0.9%)

be — 8 (0.8%)

us — 8 (0.8%)

com.au — 8 (0.8%)

no — 8 (0.8%)

at — 7 (0.7%)

uk — 7 (0.7%)

pl — 7 (0.7%)

com.mx — 6 (0.6%)

Frequently asked questions

How many domains use CSC (corporate)?

1,023 domains in the Tranco top-1M use CSC (corporate) as their mailbox provider as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is CSC (corporate)'s market share?

CSC (corporate) holds 0.16% 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 CSC (corporate)?

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 CSC (corporate)? Check whether your messages actually reach the inbox at Gmail, Outlook, Yandex and Mail.ru — free inbox placement test.

Test your deliverability →

Domain sample (top 100 by Tranco rank)

pluxee.appstarott.comblip.tvmondelezinternational.comtrust-provider.comgdefence.ionexstardigital.netcscudns.comtoppsapps.comzap2it.comverifone.cloudnationalgeographic.co.uknext.co.ilhe.servicespluxee.com.brbdx.comnext.uapassly.comunderarmour.com.brzeus-src.commonidentifiant.sncfbosch-home.com.trexamappointments.comunderarmour.com.mxtimhortons.cagm-cdn.comtestregcsc-brian.netorange.netdclwifi.comupcity.comhusqvarna.devlivenationentertainment.comnext.esroonessentials.netcorporatedomains.comlvcampaign.comliveconnect.meunderarmour.com.sgdunlop.eubacardi.digitalirobot.camyups.biznext.sgcscdbs.comcontinental-industry.comsnackworks.comaldi.cxpwcglb.comkartaview.orgmilka.comunderarmour.aeall.comkeeblergripz.comwatsons-edr.com.hkelocallink.tvadis-assurance.wfgateway3sixty.co.ukqdx.comuniversalproductionmusic.compwc.esoneaxa.plbekentree.comdomainnetwork.nettheplace.compluxee.frgmparts.comkfc-listens.comjohnhancockinsurance.comparexel.jpthehappyfoodie.co.ukhlag.cloudadis-assurances.pmnext.nonext.semaplelegends.comeurosport.ruaxa-wm.co.ukadis-assurance.euwalgreenco.netaxa-im-investmentsolutions.comunderarmour.cldcx.clubmedadis-assurances.frcoffee-iq.dewalgreensbootsalliance.comgardena.devmicrofocus.netadis-assurances.bizadis-assurances.infoaxa-im.usadis-assurance.pmkeapfile.appsantanderprivate.co.ukadis-assurances.eucscudns.orgmcknightsseniorliving.comunderarmour.dedigital4danone.comadis-assurance.tfclubpenguin.com

Showing 100 of 1,023 domains.