GMO Heteml (JP) mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), GMO Heteml (JP) is the mailbox provider for 198 domains — 0.03% of 665,310 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 198 domains in the Tranco top-1M use GMO Heteml (JP) (0.03% of domains with MX records).
- Snapshot date: 2026-09-12 — recomputed every day.
- Strongest TLD: .com (37.4% of its domains).
- Region skew: Japan.
- Most co-used service: Amazon SES.
- Directory category: hosting mail bundle.
Why GMO Heteml (JP) appears in this category
GMO Pepabo Heteml shared hosting and mailbox platform in Japan.
We classify it as a hosting mail bundle from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
What the data shows
92.4% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. It spans 16 TLDs, led by .com (37.4%) — a broad, internationally distributed base. The service most often seen alongside it is Amazon SES (ESP), on 4.0% of its domains.
Where GMO Heteml (JP) sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.5% |
| Top 100,000 | 12 | 6.1% |
| Top 1,000,000 | 183 | 92.4% |
| Unranked | 2 | 1.0% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 74 | 37.4% | |
| .jp | 67 | 33.8% | |
| .co.jp | 18 | 9.1% | |
| .net | 17 | 8.6% | |
| .or.jp | 7 | 3.5% | |
| .info | 2 | 1.0% | |
| .org | 2 | 1.0% | |
| .tv | 2 | 1.0% | |
| .ne.jp | 2 | 1.0% | |
| .tokyo | 1 | 0.5% |
What GMO Heteml (JP) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 198 domains.
| Type | Service | Domains | Share of GMO Heteml (JP) users |
|---|---|---|---|
| ESP | Amazon SES | 8 | 4.0% |
| ESP | BizMatrix | 5 | 2.5% |
| ESP | FSI Email Security | 4 | 2.0% |
| ESP | WiLL Mail | 2 | 1.0% |
| ESP | SendGrid (Twilio) | 2 | 1.0% |
| ESP | Salesforce | 2 | 1.0% |
| ESP | ActiveGate | 2 | 1.0% |
| ESP | Zendesk | 2 | 1.0% |
| ESP | GMO Lolipop (JP) | 1 | 0.5% |
| ESP | Q-Send | 1 | 0.5% |
See the full GMO Heteml (JP) data page (KPI cards, trend, sample domains) →
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Frequently asked questions
How many domains use GMO Heteml (JP)?
198 domains in the Tranco top-1M use GMO Heteml (JP) as their mailbox provider as of September 12, 2026 (0.03% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is GMO Heteml (JP) common enough to affect email deliverability testing?
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.
Which countries or TLDs use GMO Heteml (JP) most?
GMO Heteml (JP)'s largest TLD is .com (37.4% of its domains); it appears across 16 TLDs in total.