According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), ISPGateway (DE) is the mailbox provider for 543 domains — 0.08% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
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.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.2% |
| Top 100,000 | 43 | 7.9% |
| Top 1,000,000 | 420 | 77.3% |
| Unranked | 79 | 14.5% |
| TLD | Domains | Share | |
|---|---|---|---|
| .de | 314 | 57.8% | |
| .com | 115 | 21.2% | |
| .net | 33 | 6.1% | |
| .org | 20 | 3.7% | |
| .eu | 11 | 2.0% | |
| .at | 9 | 1.7% | |
| .info | 6 | 1.1% | |
| .cc | 4 | 0.7% | |
| .fr | 3 | 0.6% | |
| .ai | 2 | 0.4% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 543 domains.
| Type | Service | Domains | Share of ISPGateway (DE) users |
|---|---|---|---|
| ESP | Amazon SES | 36 | 6.6% |
| ESP | Mailjet (Sinch) | 21 | 3.9% |
| ESP | Brevo (ex-Sendinblue) | 17 | 3.1% |
| ESP | Newsletter2Go (Brevo) | 16 | 2.9% |
| ESP | Mailchimp | 13 | 2.4% |
| ESP | Constant Contact | 13 | 2.4% |
| ESP | Zendesk | 13 | 2.4% |
| ESP | SendGrid (Twilio) | 8 | 1.5% |
| ESP | Mandrill | 8 | 1.5% |
| ESP | Salesforce | 6 | 1.1% |
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) →
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.
543 domains in the Tranco top-1M use ISPGateway (DE) as their mailbox provider as of July 13, 2026 (0.08% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
ISPGateway (DE) accounts for 0.08% 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.
ISPGateway (DE)'s largest TLD is .de (57.8% of its domains); it appears across 34 TLDs in total.