Barracuda Email Security — market share 2026
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According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Barracuda Email Security is the email service provider (ESP) for 343 domains — 0.06% of 617,702 SPF-publishing domains. Its strongest TLD is .com (34.1% of its domains). Detection: include: mechanisms in the SPF record.
343domains
0.06%of SPF-publishing domains
36distinct TLDs
2026-07-13snapshot (updated daily)
Commonly used together with Barracuda Email Security
What else the same 343 domains use —
cross-tabulated from the same daily snapshot (2026-07-13).
TLD distribution (top 30 of 36)
com — 117 (34.1%)
co.uk — 102 (29.7%)
org.uk — 27 (7.9%)
org — 22 (6.4%)
ac.uk — 13 (3.8%)
gov.uk — 10 (2.9%)
net — 8 (2.3%)
ie — 7 (2.0%)
be — 3 (0.9%)
de — 3 (0.9%)
co.za — 2 (0.6%)
bd — 2 (0.6%)
uk — 2 (0.6%)
ch — 2 (0.6%)
io — 2 (0.6%)
ma — 1 (0.3%)
tv — 1 (0.3%)
iq — 1 (0.3%)
no — 1 (0.3%)
ae — 1 (0.3%)
at — 1 (0.3%)
biz — 1 (0.3%)
it — 1 (0.3%)
ci — 1 (0.3%)
sh — 1 (0.3%)
jo — 1 (0.3%)
st — 1 (0.3%)
rs — 1 (0.3%)
es — 1 (0.3%)
com.pk — 1 (0.3%)
Frequently asked questions
How many domains use Barracuda Email Security?
343 domains in the Tranco top-1M use Barracuda Email Security as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
What is Barracuda Email Security's market share?
Barracuda Email Security holds 0.06% 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 Barracuda Email Security?
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 Barracuda Email Security? Check whether your
messages actually reach the inbox at Gmail, Outlook, Yandex and Mail.ru — free
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Domain sample (top 100 by Tranco rank)
bloomsbury.comessex.ac.ukemeraldinsight.commacrium.comepiccare.iemacmillan.org.ukbbk.ac.ukjuniperresearch.comautism.org.ukoffice.co.ukpolice.gov.bdcottontraders.comwalkwheelcycletrust.org.uknms.ac.ukedenproject.comshakespearesglobe.comsabis.netsustrans.org.ukgrireland.ieleedsunited.comabc-clio.comcounterhate.comtrussell.org.ukardennes-etape.bejustmylook.comlifestylesports.comtrusselltrust.orgrsph.org.ukoffspring.co.ukmeu.edu.joisaps.orguicc.orggeolsoc.org.ukworldcancerday.orgkingswelliesnursery.comdaikinindia.comabta.comtes.com.pkimarabe.orguwkringding.bedraytek.co.ukbathnes.gov.ukuniversitiesuk.ac.ukofficiallondontheatre.comfitflop.comtapi.co.ukcpag.org.uktoa.stdoctors.net.uktw1.comemjreviews.comospreypublishing.comhopenothate.org.ukukdataservice.ac.ukmndassociation.orgfauna-flora.orgeif.co.ukkempstoncontrols.co.ukzarrdns.netbedford.gov.ukaware-soft.neteani.org.ukpowertoolworld.co.ukcnps.cibusinessleader.co.ukgigaclear.comtripp.co.ukdoctors.org.ukanalysysmason.comheals.comswanseacity.comimmobilier.chcloud4africa.netkempstoncontrols.comrenews.bizthebritishmuseum.ac.ukopenlibhums.orgmstrust.org.ukmyenergi.comeliesaab.comardennes-etape.nlscienceinsport.comwhittard.co.ukardennes-etape.co.ukaui.mafunnelfuel.iowoolboxusa.comthepighotel.comtuffshop.co.ukaspireglobal.comlkbennett.comcomms-express.comecotricity.co.ukfossedata.co.ukiwsc.netchapelhouse.co.ukduocall.netthebci.orgnextbase.combayreuther-festspiele.de
Showing 100 of 343 domains.