esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), RD Station (BR) is the email service provider (ESP) for 1,690 domains — 0.27% of 617,702 SPF-publishing domains. Its strongest TLD is .com.br (72.9% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 1,690 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of RD Station (BR) users |
|---|---|---|---|
| Mailbox | Google Workspace | 698 | 41.3% |
| Mailbox | Microsoft 365 | 538 | 31.8% |
| Mailbox | Self-Hosted | 104 | 6.2% |
| Mailbox | Locaweb (BR) | 74 | 4.4% |
| Mailbox | Unknown / Other | 52 | 3.1% |
| Mailbox | Zoho Mail | 30 | 1.8% |
| ESP | SendGrid (Twilio) | 1,415 | 83.7% |
| ESP | Amazon SES | 253 | 15.0% |
| ESP | Zendesk | 108 | 6.4% |
| ESP | Locaweb (BR) | 79 | 4.7% |
1,690 domains in the Tranco top-1M use RD Station (BR) as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
RD Station (BR) holds 0.27% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
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).
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%)
Showing 100 of 1,690 domains.