esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Cybermail is the email service provider (ESP) for 188 domains — 0.03% of 617,702 SPF-publishing domains. Its strongest TLD is .co.jp (51.1% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 188 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of Cybermail users |
|---|---|---|---|
| Mailbox | Unknown / Other | 134 | 71.3% |
| Mailbox | Microsoft 365 | 22 | 11.7% |
| Mailbox | Google Workspace | 18 | 9.6% |
| Mailbox | Self-Hosted | 5 | 2.7% |
| Mailbox | SecureMX (JP) | 3 | 1.6% |
| Mailbox | Proofpoint | 2 | 1.1% |
| ESP | Amazon SES | 26 | 13.8% |
| ESP | Repica WebCAS | 18 | 9.6% |
| ESP | Q-Send | 15 | 8.0% |
| ESP | BizMatrix | 15 | 8.0% |
188 domains in the Tranco top-1M use Cybermail as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
Cybermail holds 0.03% 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 188 domains.