According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), BizMatrix is the email service provider (ESP) for 694 domains — 0.11% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
BizMatrix is an email service provider (ESP) that serves predominantly smaller and medium-sized organisations across diverse markets. It is identifiable in email infrastructure through SPF records, where it declares its sending IP ranges via include mechanisms that authorise mail from BizMatrix's servers on behalf of customer domains.
The prevalence of BizMatrix across a dispersed, internationally-diverse set of smaller domains—particularly across Japan and other region-specific TLDs—reflects adoption patterns distinct from tier-one ESP providers. Its frequent co-occurrence with Google Workspace suggests use in organisations deploying third-party email infrastructure alongside Google's own platform.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 5 | 0.7% |
| Top 100,000 | 55 | 7.9% |
| Top 1,000,000 | 560 | 80.7% |
| Unranked | 74 | 10.7% |
| TLD | Domains | Share | |
|---|---|---|---|
| .jp | 196 | 28.2% | |
| .com | 185 | 26.7% | |
| .co.jp | 177 | 25.5% | |
| .or.jp | 53 | 7.6% | |
| .net | 30 | 4.3% | |
| .ac.jp | 18 | 2.6% | |
| .org | 7 | 1.0% | |
| .ne.jp | 6 | 0.9% | |
| .shop | 3 | 0.4% | |
| .life | 2 | 0.3% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 694 domains.
| Type | Service | Domains | Share of BizMatrix users |
|---|---|---|---|
| Mailbox | Google Workspace | 188 | 27.1% |
| Mailbox | Self-Hosted | 150 | 21.6% |
| Mailbox | Microsoft 365 | 109 | 15.7% |
| Mailbox | Unknown / Other | 101 | 14.6% |
| Mailbox | Kagoya (JP) | 39 | 5.6% |
| Mailbox | SecureMX (JP) | 20 | 2.9% |
| ESP | Amazon SES | 87 | 12.5% |
| ESP | Kagoya (JP, sender) | 47 | 6.8% |
| ESP | Repica WebCAS | 30 | 4.3% |
| ESP | FSI Email Security | 28 | 4.0% |
When a domain includes BizMatrix in its SPF record, it authorises BizMatrix's sending infrastructure to dispatch mail on that domain's behalf. Receiving servers validate outbound mail against these SPF includes; if the sending IP matches BizMatrix's published ranges, the message passes SPF alignment. This mechanism is essential for maintaining sender authentication and reputation when using a third-party ESP.
See the full BizMatrix data page (KPI cards, trend, sample domains) →
BizMatrix is an email service provider commonly used by smaller and medium-sized organisations, particularly in Japan and across various international markets. If you see BizMatrix's SPF mechanism in a domain's records, it means that organisation uses BizMatrix to send email on their behalf.
694 domains in the Tranco top-1M use BizMatrix as their email service provider (ESP) as of July 13, 2026 (0.11% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
BizMatrix accounts for 0.11% 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.
BizMatrix's largest TLD is .jp (28.2% of its domains); it appears across 24 TLDs in total.