esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Theeml (RU-CENTER) is the email service provider (ESP) for 55 domains — 0.01% of 617,702 SPF-publishing domains. Its strongest TLD is .ru (65.5% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 55 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of Theeml (RU-CENTER) users |
|---|---|---|---|
| Mailbox | Yandex 360 | 16 | 29.1% |
| Mailbox | Self-Hosted | 13 | 23.6% |
| Mailbox | Mail.ru for Business | 10 | 18.2% |
| Mailbox | Google Workspace | 7 | 12.7% |
| Mailbox | Generic / unmatched (mx*.*) | 4 | 7.3% |
| Mailbox | Generic / unmatched (mail.*) | 2 | 3.6% |
| ESP | Unisender (RU) | 47 | 85.5% |
| ESP | Mailgun | 6 | 10.9% |
| ESP | DashaMail (RU) | 3 | 5.5% |
| ESP | SendPulse | 3 | 5.5% |
55 domains in the Tranco top-1M use Theeml (RU-CENTER) as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
Theeml (RU-CENTER) holds 0.01% 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 55 of 55 domains.