Cisco IronPort (ICPbounce) — market share 2026
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According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Cisco IronPort (ICPbounce) is the email service provider (ESP) for 317 domains — 0.05% of 617,702 SPF-publishing domains. Its strongest TLD is .com (64.0% of its domains). Detection: include: mechanisms in the SPF record.
317domains
0.05%of SPF-publishing domains
31distinct TLDs
2026-07-13snapshot (updated daily)
Commonly used together with Cisco IronPort (ICPbounce)
What else the same 317 domains use —
cross-tabulated from the same daily snapshot (2026-07-13).
TLD distribution (top 30 of 31)
com — 203 (64.0%)
org — 53 (16.7%)
edu — 10 (3.2%)
net — 10 (3.2%)
co.uk — 6 (1.9%)
gov — 4 (1.3%)
ca — 3 (0.9%)
co.nz — 3 (0.9%)
be — 2 (0.6%)
nl — 2 (0.6%)
jp — 1 (0.3%)
pharmacy — 1 (0.3%)
co.za — 1 (0.3%)
sg — 1 (0.3%)
com.sg — 1 (0.3%)
me — 1 (0.3%)
com.au — 1 (0.3%)
mx — 1 (0.3%)
com.br — 1 (0.3%)
asia — 1 (0.3%)
eu — 1 (0.3%)
fr — 1 (0.3%)
io — 1 (0.3%)
com.mx — 1 (0.3%)
au — 1 (0.3%)
ag — 1 (0.3%)
es — 1 (0.3%)
it — 1 (0.3%)
ch — 1 (0.3%)
fm — 1 (0.3%)
Frequently asked questions
How many domains use Cisco IronPort (ICPbounce)?
317 domains in the Tranco top-1M use Cisco IronPort (ICPbounce) as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
What is Cisco IronPort (ICPbounce)'s market share?
Cisco IronPort (ICPbounce) holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
What are the biggest alternatives to Cisco IronPort (ICPbounce)?
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-07-13).
Sending through Cisco IronPort (ICPbounce)? 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)
stanford.eduhopkinsmedicine.orgspacex.competa.orggotquestions.orgswinglifestyle.comfrontier.comgeoscienceworld.orgrupress.orgdallascowboys.comuncw.edusmith-wesson.combibleref.comdavita.comnga.orgknfilters.comnorthwestu.eduk-bid.comuslegalforms.comcyberpower.comfedscoop.comadams.netstampworld.comrustoleum.comhowthemarketworks.comoneills.comergotron.combio-techne.comnicb.orgkpfa.orgdental-tribune.comsurplusrecord.comdickeys.comcrye-leike.comnabp.pharmacygruntstyle.commarmot.cominmusicbrands.comlondonmarathonevents.co.ukgiga-tires.comfedcourt.gov.aufcso.comdonegalgroup.commossadams.comphillipscollection.orgpoverty-action.orgthebrain.compittsburghmagazine.comazdcs.govcrocus.co.ukera.beedgewood.edunhd.orgpetexec.netst-aug.edualadinia.comtexasagriculture.govsharkscope.combioontology.orgswva.netsabra.comntta.orgiranhumanrights.orgjustformen.comenvolvetech.comlaemmle.comwjon.comthenaturalsapphirecompany.comchatham.eduwestacademic.comvitalconnect.comsermitsiaq.agprecast.comnumark.combodycandy.comthereadingwarehouse.combackusturner.combuncombecounty.orgesalen.orgenvirosafetyproducts.comemtek.comgoldentickets.comgotquestions.netmeasureup.com1sale.comcelebrityaccess.comdraftsharks.comcompellingtruth.orgusabaseball.combethelks.edugellerreport.comcompucast.comtotallywicked-eliquid.co.uksoaringeaglecasino.comfocus2career.comgoodingco.comshiprush.comlightsamerica.comlawline.comlarsonelectronics.com
Showing 100 of 317 domains.