ISPGateway (DE) mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), ISPGateway (DE) is the mailbox provider for 592 domains — 0.09% of 665,310 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 592 domains in the Tranco top-1M use ISPGateway (DE) (0.09% of domains with MX records).
- Snapshot date: 2026-09-12 — recomputed every day.
- Strongest TLD: .de (60.3% of its domains).
- Region skew: Germany.
- Most co-used service: Amazon SES.
- Directory category: hosting mail bundle.
Why ISPGateway (DE) appears in this category
White-label control panel used by smaller German hosts.
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.
ISPGateway (DE) is a regional mailbox provider serving German organisations as their primary email hosting solution. It functions as an MX endpoint, receiving inbound mail for any domain that designates it as their mail server.
ISPGateway (DE)'s footprint concentrates on smaller, regional German websites rather than major international brands. It frequently appears alongside Amazon SES in email infrastructure, indicating that organisations using ISPGateway for inbound mail often source outbound delivery from SES. For senders targeting the German market, this provider represents a distinct segment; for those receiving mail through it, the arrangement is typical for regional hosting patterns in that geography.
Where ISPGateway (DE) sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 47 | 7.9% |
| Top 1,000,000 | 538 | 90.9% |
| Unranked | 7 | 1.2% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .de | 357 | 60.3% | |
| .com | 115 | 19.4% | |
| .net | 33 | 5.6% | |
| .org | 20 | 3.4% | |
| .at | 14 | 2.4% | |
| .eu | 10 | 1.7% | |
| .info | 7 | 1.2% | |
| .fr | 4 | 0.7% | |
| .cc | 3 | 0.5% | |
| .ai | 2 | 0.3% |
What ISPGateway (DE) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 592 domains.
| Type | Service | Domains | Share of ISPGateway (DE) users |
|---|---|---|---|
| ESP | Amazon SES | 36 | 6.1% |
| ESP | Mailjet (Sinch) | 21 | 3.5% |
| ESP | Newsletter2Go (Brevo) | 18 | 3.0% |
| ESP | Brevo (ex-Sendinblue) | 15 | 2.5% |
| ESP | Zendesk | 14 | 2.4% |
| ESP | Mailchimp | 13 | 2.2% |
| ESP | Constant Contact | 12 | 2.0% |
| ESP | Mandrill | 11 | 1.9% |
| ESP | Mailgun | 8 | 1.4% |
| ESP | Salesforce | 6 | 1.0% |
Regional provider characteristics and sender reputation monitoring
ISPGateway (DE)'s concentration among smaller German websites means senders targeting this market should include ISPGateway mailboxes in testing and reputation monitoring. Because many ISPGateway-hosted domains also use Amazon SES for outbound mail, senders using SES to reach German addresses should separately monitor reply performance and reputation signals from ISPGateway inbound paths, as these may diverge from general SES reputation. Tier-two providers like ISPGateway often implement filtering and compliance practices distinct from major cloud services, making provider-specific investigation essential when delivery anomalies occur.
See the full ISPGateway (DE) data page (KPI cards, trend, sample domains) →
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Frequently asked questions
Should I test email delivery against ISPGateway (DE)?
If your recipient list includes German domains, yes—ISPGateway (DE) hosts mailboxes for a portion of the smaller German market and should be included in regional deliverability testing to identify provider-specific issues.
How many domains use ISPGateway (DE)?
592 domains in the Tranco top-1M use ISPGateway (DE) as their mailbox provider as of September 12, 2026 (0.09% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is ISPGateway (DE) common enough to affect email deliverability testing?
ISPGateway (DE) accounts for 0.09% 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 ISPGateway (DE) most?
ISPGateway (DE)'s largest TLD is .de (60.3% of its domains); it appears across 36 TLDs in total.