esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 26, 2026), Cloudflare Email Routing is the email service provider (ESP) for 11,492 domains — 1.82% of 630,738 SPF-publishing domains. Over the last 30 days its share grew by 0.04 pp. Its strongest TLD is .com (44.3% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-07-26 DNS snapshot.
Cloudflare free email forwarding (route#.mx.cloudflare.net + spf.mx.cloudflare.net).
Directory category: Forwarder. 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.
Across 398 distinct TLDs its top three are .com (44.3%), .net (6.8%), .org (5.1%) — together 56.2% of the 11,492 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Cloudflare Email Routing (Mailbox, 10,638 domains, 92.6% of them), followed by Google Workspace (2.8%). Its share of SPF-publishing domains moved +0.04 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 (2026-07-26); 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.
What else the same 11,492 domains use — cross-tabulated from the same daily snapshot (2026-07-26).
| Type | Service | Domains | Share of Cloudflare Email Routing users |
|---|---|---|---|
| Mailbox | Cloudflare Email Routing | 10,638 | 92.6% |
| Mailbox | Google Workspace | 323 | 2.8% |
| Mailbox | Self-Hosted | 104 | 0.9% |
| Mailbox | Generic / unmatched (mail.*) | 68 | 0.6% |
| Mailbox | Microsoft 365 | 48 | 0.4% |
| Mailbox | Zoho Mail | 44 | 0.4% |
| ESP | Amazon SES | 308 | 2.7% |
| ESP | Mailgun | 177 | 1.5% |
| ESP | Brevo (ex-Sendinblue) | 137 | 1.2% |
| ESP | Mailjet (Sinch) | 121 | 1.1% |
11,492 domains in the Tranco top-1M use Cloudflare Email Routing as their email service provider (ESP) as of July 26, 2026, according to Live Direct Marketing's daily DNS scan.
Cloudflare Email Routing holds 1.82% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-26). The number is recomputed every day.
Cloudflare Email Routing's share grew by 0.04 percentage points over the last 30 days (as of July 26, 2026).
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 2026-07-26).
Amazon SES (6.17%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.83%) · Mailchimp (3.70%) · Mandrill (3.36%) · HubSpot (3.19%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Brevo (ex-Sendinblue) (1.45%)
Showing 100 of 11,492 domains.