Masterbase — market share 2026

esp

According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Masterbase is the email service provider (ESP) for 288 domains — 0.05% of 617,244 SPF-publishing domains. Its strongest TLD is .cl (42.7% of its domains). Detection: include: mechanisms in the SPF record.

288domains

0.05%of SPF-publishing domains

17distinct TLDs

2026-07-12snapshot (updated daily)

Commonly used together with Masterbase

What else the same 288 domains use — cross-tabulated from the same daily snapshot (2026-07-12).

Type	Service	Domains	Share of Masterbase users
Mailbox	Microsoft 365	129	44.8%
Mailbox	Google Workspace	61	21.2%
Mailbox	Self-Hosted	23	8.0%
Mailbox	Unknown / Other	19	6.6%
Mailbox	Trend Micro	15	5.2%
Mailbox	Proofpoint	11	3.8%
ESP	Amazon SES	50	17.4%
ESP	Mandrill	23	8.0%
ESP	emBlue	22	7.6%
ESP	SendGrid (Twilio)	21	7.3%

TLD distribution (top 17 of 17)

cl — 123 (42.7%)

com — 53 (18.4%)

pe — 22 (7.6%)

com.pe — 22 (7.6%)

com.co — 13 (4.5%)

co — 11 (3.8%)

ec — 9 (3.1%)

com.ec — 7 (2.4%)

com.mx — 6 (2.1%)

bo — 6 (2.1%)

com.ar — 5 (1.7%)

org — 4 (1.4%)

mx — 3 (1.0%)

edu — 1 (0.3%)

es — 1 (0.3%)

info — 1 (0.3%)

gt — 1 (0.3%)

Frequently asked questions

How many domains use Masterbase?

288 domains in the Tranco top-1M use Masterbase as their email service provider (ESP) as of July 12, 2026, according to Live Direct Marketing's daily DNS scan.

What is Masterbase's market share?

Masterbase holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-12). The number is recomputed every day.

What are the biggest alternatives to Masterbase?

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 2026-07-12).

Largest email service provider (ESP)s in this category

Amazon SES (6.21%) · SendGrid (Twilio) (4.75%) · Mailgun (4.11%) · Zendesk (3.87%) · 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 →

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Domain sample (top 100 by Tranco rank)

falabella.com elcomercio.pe ripley.cl falabella.com.pe falabella.com.co sodimac.cllarepublica.pesodimac.com.peentel.clnuevaeps.com.copromart.pebancofalabella.clchileautos.cllatinka.com.pemovistar.clbci.clmega.clelmercurio.comgestion.peibero.edu.counab.clbancochile.cltricot.clupc.edu.pepowerhost.clbnamericas.comwvi.orginterbank.petransbank.clsantotomas.clclarochile.cl13.clsuperboletos.comcmfchile.clitau.cltelevisa.comservientrega.comeasy.clmovistar.com.peupn.edu.pejumbo.clentel.peconsorcio.clcajalosandes.clcompensar.commovistar.com.coafc.cllaborum.clcientifica.edu.pebancofalabella.peomnilife.comtailoy.com.petottus.com.peduoc.clscotiabankchile.clbancounion.com.bocinecolombia.comcge.clcinemark.com.cocondorbus.cludd.clcinemark-peru.comafpnet.com.pefashionspark.comtvn.clsupercines.comemol.clube.edu.ecnewbalance.clcencosud.comicel.edu.mxibero.mxulima.edu.pebciseguros.claccioncontraelhambre.orgcencosud.clamericaeconomia.comosinergmin.gob.pesantalucia.esups.edu.ecunired.clunisabana.edu.cocrisol.com.peuahurtado.clbancoripley.clmitarjetacencosud.clafpmodelo.clsegurosbolivar.comtranstecnia.clmasterbase.comsos.com.coeliteperfumes.clenter.cotdea.edu.coucatolica.edu.coitb.edu.ecprovida.cltelecentro.com.arsantaisabel.clrapicredit.com

Showing 100 of 288 domains.