Microsoft 365 US Gov — market share 2026

← Email Stats home

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Microsoft 365 US Gov is the email service provider (ESP) for 514 domains — 0.08% of 617,702 SPF-publishing domains. Its strongest TLD is .com (92.2% of its domains). Detection: include: mechanisms in the SPF record.

514domains
0.08%of SPF-publishing domains
14distinct TLDs
2026-07-13snapshot (updated daily)

Commonly used together with Microsoft 365 US Gov

What else the same 514 domains use — cross-tabulated from the same daily snapshot (2026-07-13).

TypeServiceDomainsShare of Microsoft 365 US Gov users
MailboxMicrosoft 365 US Government45588.5%
MailboxUnknown / Other265.1%
MailboxSelf-Hosted81.6%
MailboxProofpoint61.2%
MailboxGoogle Workspace61.2%
MailboxMicrosoft 36551.0%
ESPSalesforce275.3%
ESPProofpoint265.1%
ESPAmazon SES214.1%
ESPHubSpot142.7%

TLD distribution (top 14 of 14)

com — 474 (92.2%)
org — 9 (1.8%)
us — 8 (1.6%)
gov — 7 (1.4%)
mil — 4 (0.8%)
net — 2 (0.4%)
com.br — 2 (0.4%)
edu — 2 (0.4%)
ai — 1 (0.2%)
cloud — 1 (0.2%)
dev — 1 (0.2%)
space — 1 (0.2%)
ca — 1 (0.2%)
aero — 1 (0.2%)

Frequently asked questions

How many domains use Microsoft 365 US Gov?

514 domains in the Tranco top-1M use Microsoft 365 US Gov as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.

What is Microsoft 365 US Gov's market share?

Microsoft 365 US Gov holds 0.08% 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 Microsoft 365 US Gov?

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).

Largest email service provider (ESP)s in this category

Amazon SES (6.21%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.86%) · Mailchimp (3.69%) · Mandrill (3.36%) · HubSpot (3.18%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.80%)

ESP / mailing services portfolio → · Full daily report →

Sending through Microsoft 365 US Gov? 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)

spacex.comsharepoint.usuipath.comusvisascheduling.comdarpa.milanduril.devcert.orgdni.govanduril.comsharepoint-mil.ussri.comblueorigin.comgeaerospace.combis.govasapsemi.coms1gov.netvirgingalactic.comveritone.commagpul.comswri.eduga.comusmc-mccs.orgbuyaviationparts.comswri.orgasap-components.comcurtisswright.comkpmg.usdsca.miledmundoptics.comasap-distribution.combwxt.comaerospaceorbit.comaviationorbit.comrocketlabcorp.comafrenterprises.comfulfillmentbyasap.comasap-purchasing.comaviationpartsonline.comhii.comavinc.combuymarinecomponents.comaerospaceunlimited.comrequestforquotations.comrocketlabusa.comasap-logisticsolutions.comsparesuniverse.comasapgroundsupportequipment.comnsn-supplies.comasapmilitaryparts.cominternetofcomponents.compurchasingefficiency.comnsnpartshub.comrfqexperts.comsouthcom.milveritableaviation.comdigitalglobe.comoneclickpurchasing.comnsn360.comelectronics3sixty.comasap-partservices.comdraper.compurchasefasteners.comaerospacepurchasing.comthedistributionpro.comvacco.comvitalaero.comindustrials3sixty.cominternetofnsn.comfulfillment3sixty.comasapfulfillment.compurchaseaeroparts.comautomatizeelectronics.comasapaog.compartsdeliveredtoday.commaterion.comnsnfulfillment.comzippypurchasing.comnsnarc.comaftermarketindustrials.comdigitalaviationservices.comexpansiveaviation.comstackedaerospace.comlimitlesspurchasing.comasapmilitarycomponents.comasapintegrated.comalphansn.comintegratedpartsservices.comasap-aerospace.comstackedhardware.comasap-sourcingsolutions.comparagonpurchasing.compurchasing3sixty.comsourcing3sixty.comheilind.cominstantnsn.comacquirensn.comagi.comhardtofindnsn.comnoblis.orgintegratednsn.com

Showing 100 of 514 domains.