Doppler email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 13, 2026), Doppler is the email service provider (ESP) for 362 domains — 0.06% of 628,913 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 362 domains in the Tranco top-1M use Doppler (0.06% of SPF-publishing domains).
- Snapshot date: 2026-09-13 — recomputed every day.
- Strongest TLD: .com.ar (30.7% of its domains).
- Most co-used service: Google Workspace.
- Directory category: email service provider.
Why Doppler appears in this category
Doppler — LATAM email marketing, strong in Argentina.
We classify it as a email service provider from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
Doppler is an email service provider and marketing automation platform that organisations use to send and manage email campaigns at scale. The service operates globally, with particular concentration in Latin America, where it appears prominently under the .com.ar country code and across multiple other regions.
Doppler's footprint is concentrated among smaller and mid-market organisations rather than major brands, and it frequently appears alongside Google Workspace in sender infrastructure. This pattern—regional concentration, association with smaller senders, and co-occurrence with mainstream platforms—reveals Doppler as a standard and legitimate component of modern sender authentication infrastructure, particularly for organisations based in or targeting Spanish-speaking markets.
Where Doppler sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.3% |
| Top 100,000 | 42 | 11.6% |
| Top 1,000,000 | 314 | 86.7% |
| Unranked | 5 | 1.4% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com.ar | 111 | 30.7% | |
| .com | 104 | 28.7% | |
| .ar | 45 | 12.4% | |
| .mx | 14 | 3.9% | |
| .cl | 14 | 3.9% | |
| .com.mx | 14 | 3.9% | |
| .es | 7 | 1.9% | |
| .co | 6 | 1.7% | |
| .ec | 6 | 1.7% | |
| .net | 5 | 1.4% |
What Doppler users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 362 domains.
| Type | Service | Domains | Share of Doppler users |
|---|---|---|---|
| Mailbox | Google Workspace | 139 | 38.4% |
| Mailbox | Microsoft 365 | 96 | 26.5% |
| Mailbox | Self-Hosted | 65 | 18.0% |
| Mailbox | Unknown / Other | 12 | 3.3% |
| Mailbox | Trend Micro | 11 | 3.0% |
| Mailbox | Generic / unmatched (mx*.*) | 7 | 1.9% |
| ESP | Amazon SES | 49 | 13.5% |
| ESP | emBlue | 26 | 7.2% |
| ESP | Zendesk | 25 | 6.9% |
| ESP | SendGrid (Twilio) | 21 | 5.8% |
Doppler records and sender authentication legitimacy
Doppler's prevalence among smaller senders and in Latin American domains means receiving systems will encounter its SPF records as a normal and expected element of authentication chains, particularly from mid-market organisations. Rather than signalling novelty or risk, the presence of Doppler in an organisation's authentication infrastructure is consistent with standard practices among regional senders and should not trigger suspicion or special handling; instead, it indicates an organisation using legitimate, widely-deployed email marketing infrastructure.
See the full Doppler data page (KPI cards, trend, sample domains) →
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Frequently asked questions
Should I treat Doppler records in SPF as a risk or authentication concern?
No. Doppler's widespread presence among smaller and mid-market organisations, particularly in Latin America, means its appearance in SPF records is a routine and legitimate indicator of standard email marketing infrastructure. It should be treated as you would any other established email service provider in sender authentication chains.
How many domains use Doppler?
362 domains in the Tranco top-1M use Doppler as their email service provider (ESP) as of September 13, 2026 (0.06% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is Doppler common enough to affect email deliverability testing?
Doppler accounts for 0.06% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Which countries or TLDs use Doppler most?
Doppler's largest TLD is .com.ar (30.7% of its domains); it appears across 29 TLDs in total.