SecureMX (JP) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), SecureMX (JP) is the mailbox provider for 601 domains — 0.09% of 675,489 domains with MX records. Its strongest TLD is .co.jp (53.7% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-24 DNS snapshot.
What SecureMX (JP) represents in this dataset
Japan anti-spam inbound gateway (Internet Initiative Japan).
Directory category: Gateway. The classification comes from primary MX record (lowest preference). It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-24 snapshot shows about SecureMX (JP)
Across 16 distinct TLDs its top three are .co.jp (53.7%), .jp (20.8%), .com (14.1%) — together 88.7% of the 601 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is SecureMX (ESP, 501 domains, 83.4% of them), followed by Amazon SES (14.3%). Directly comparable by the same detection rule: Self-Hosted, Google Workspace, Microsoft 365. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-24); a domain appears here when its published records match the primary MX record (lowest preference) rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with SecureMX (JP)
What else the same 601 domains use — cross-tabulated from the same daily snapshot (2026-09-24).
| Type | Service | Domains | Share of SecureMX (JP) users |
|---|---|---|---|
| ESP | SecureMX | 501 | 83.4% |
| ESP | Amazon SES | 86 | 14.3% |
| ESP | Salesforce | 56 | 9.3% |
| ESP | Repica WebCAS | 40 | 6.7% |
| ESP | CrmStyle | 27 | 4.5% |
| ESP | Cuenote | 27 | 4.5% |
| ESP | BizMatrix | 20 | 3.3% |
| ESP | Tricorn | 18 | 3.0% |
| ESP | Zendesk | 18 | 3.0% |
| ESP | HubSpot | 17 | 2.8% |
TLD distribution (top 16 of 16)
Frequently asked questions
How many domains use SecureMX (JP)?
601 domains in the Tranco top-1M use SecureMX (JP) as their mailbox provider as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.
What is SecureMX (JP)'s market share?
SecureMX (JP) holds 0.09% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-24). The number is recomputed every day.
What are the biggest alternatives to SecureMX (JP)?
The largest mailbox providers in the same category by Tranco top-1M share are: Self-Hosted, Google Workspace, Microsoft 365, Unknown / Other, Generic / unmatched (mx*.*) (as of 2026-09-24).
Largest mailbox providers in this category
Self-Hosted (22.56%) · Google Workspace (21.58%) · Microsoft 365 (17.03%) · Unknown / Other (6.68%) · Generic / unmatched (mx*.*) (2.53%) · Generic / unmatched (mail.*) (1.93%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.76%) · Yandex 360 (1.67%) · Mimecast (1.47%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 601 domains.