According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), GMO Heteml (JP) is the mailbox provider for 213 domains — 0.03% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
72.3% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. It spans 16 TLDs, led by .com (39.4%) — a broad, internationally distributed base. The service most often seen alongside it is Amazon SES (ESP), on 3.8% of its domains.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.5% |
| Top 100,000 | 11 | 5.2% |
| Top 1,000,000 | 154 | 72.3% |
| Unranked | 47 | 22.1% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 84 | 39.4% | |
| .jp | 74 | 34.7% | |
| .co.jp | 19 | 8.9% | |
| .net | 16 | 7.5% | |
| .or.jp | 5 | 2.3% | |
| .org | 3 | 1.4% | |
| .tv | 2 | 0.9% | |
| .ne.jp | 2 | 0.9% | |
| .shop | 1 | 0.5% | |
| .app | 1 | 0.5% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 213 domains.
| Type | Service | Domains | Share of GMO Heteml (JP) users |
|---|---|---|---|
| ESP | Amazon SES | 8 | 3.8% |
| ESP | FSI Email Security | 5 | 2.3% |
| ESP | BizMatrix | 3 | 1.4% |
| ESP | ActiveGate | 2 | 0.9% |
| ESP | Zendesk | 2 | 0.9% |
| ESP | Salesforce | 2 | 0.9% |
| ESP | SendGrid (Twilio) | 2 | 0.9% |
| ESP | Repica WebCAS | 1 | 0.5% |
| ESP | GMO Lolipop (JP) | 1 | 0.5% |
| ESP | WiLL Mail | 1 | 0.5% |
See the full GMO Heteml (JP) data page (KPI cards, trend, sample domains) →
213 domains in the Tranco top-1M use GMO Heteml (JP) as their mailbox provider as of July 13, 2026 (0.03% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
GMO Heteml (JP) accounts for 0.03% of domains with MX records 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.
GMO Heteml (JP)'s largest TLD is .com (39.4% of its domains); it appears across 16 TLDs in total.