According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Splio is the email service provider (ESP) for 98 domains — 0.02% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
79.6% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. It spans 12 TLDs, led by .com (40.8%) — a broad, internationally distributed base. The service most often seen alongside it is Microsoft 365 (mailbox provider), on 31.6% of its domains.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 18 | 18.4% |
| Top 1,000,000 | 78 | 79.6% |
| Unranked | 2 | 2.0% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 40 | 40.8% | |
| .fr | 28 | 28.6% | |
| .it | 12 | 12.2% | |
| .com.br | 6 | 6.1% | |
| .es | 3 | 3.1% | |
| .de | 2 | 2.0% | |
| .org | 2 | 2.0% | |
| .info | 1 | 1.0% | |
| .nl | 1 | 1.0% | |
| .co.uk | 1 | 1.0% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 98 domains.
| Type | Service | Domains | Share of Splio users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 31 | 31.6% |
| Mailbox | Google Workspace | 22 | 22.4% |
| Mailbox | Gandi Mail | 13 | 13.3% |
| Mailbox | Unknown / Other | 9 | 9.2% |
| Mailbox | Infomaniak (CH) | 4 | 4.1% |
| Mailbox | Self-Hosted | 4 | 4.1% |
| ESP | Zendesk | 19 | 19.4% |
| ESP | Mailjet (Sinch) | 18 | 18.4% |
| ESP | Cloudflare Email Routing | 13 | 13.3% |
| ESP | Amazon SES | 6 | 6.1% |
See the full Splio data page (KPI cards, trend, sample domains) →
98 domains in the Tranco top-1M use Splio as their email service provider (ESP) as of July 13, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Splio accounts for 0.02% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Splio's largest TLD is .com (40.8% of its domains); it appears across 12 TLDs in total.