Emsd1 (transactional) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 10, 2026), Emsd1 (transactional) is the email service provider (ESP) for 2,886 domains — 0.46% of 632,322 SPF-publishing domains. Over the last 30 days its share declined by 0.01 pp. Its strongest TLD is .com (56.9% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-10 DNS snapshot.
What Emsd1 (transactional) represents in this dataset
Generic transactional/marketing infra (emsd1.com).
Directory category: Esp. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-10 snapshot shows about Emsd1 (transactional)
Across 115 distinct TLDs its top three are .com (56.9%), .org (6.7%), .nl (5.4%) — together 69.0% of the 2,886 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Google Workspace (Mailbox, 1,363 domains, 47.2% of them), followed by Microsoft 365 (31.4%). Its share of SPF-publishing domains moved -0.01 pp in 30 days — inside the daily noise of list rotation. Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-10); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with Emsd1 (transactional)
What else the same 2,886 domains use — cross-tabulated from the same daily snapshot (2026-09-10).
| Type | Service | Domains | Share of Emsd1 (transactional) users |
|---|---|---|---|
| Mailbox | Google Workspace | 1,363 | 47.2% |
| Mailbox | Microsoft 365 | 905 | 31.4% |
| Mailbox | Self-Hosted | 148 | 5.1% |
| Mailbox | Unknown / Other | 98 | 3.4% |
| Mailbox | Mimecast | 62 | 2.1% |
| Mailbox | Barracuda | 34 | 1.2% |
| ESP | Amazon SES | 479 | 16.6% |
| ESP | SendGrid (Twilio) | 433 | 15.0% |
| ESP | Zendesk | 368 | 12.8% |
| ESP | Mailchimp | 336 | 11.6% |
TLD distribution (top 30 of 115)
Frequently asked questions
How many domains use Emsd1 (transactional)?
2,886 domains in the Tranco top-1M use Emsd1 (transactional) as their email service provider (ESP) as of September 10, 2026, according to Live Direct Marketing's daily DNS scan.
What is Emsd1 (transactional)'s market share?
Emsd1 (transactional) holds 0.46% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-10). The number is recomputed every day.
Is Emsd1 (transactional) growing or declining?
Emsd1 (transactional)'s share declined by 0.01 percentage points over the last 30 days (as of September 10, 2026).
What are the biggest alternatives to Emsd1 (transactional)?
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 2026-09-10).
Largest email service provider (ESP)s in this category
Amazon SES (6.15%) · SendGrid (Twilio) (4.62%) · Mailgun (4.00%) · Zendesk (3.75%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.09%) · Salesforce (2.54%) · Mailjet (Sinch) (2.11%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 2,886 domains.