United Domains (DE) email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 17, 2026), United Domains (DE) is the mailbox provider for 409 domains — 0.06% of 673,136 domains with MX records. Its strongest TLD is .de (40.3% of its domains). Detection: primary MX record (lowest preference).
Last updated from the 2026-09-17 DNS snapshot.
What United Domains (DE) represents in this dataset
German registrar bundling mailbox with domain.
Directory category: Hosting. 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 2026-09-17 snapshot shows about United Domains (DE)
Across 61 distinct TLDs its top three are .de (40.3%), .com (19.8%), .net (4.4%) — together 64.5% of the 409 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Mailjet (Sinch) (ESP, 16 domains, 3.9% of them), followed by Zendesk (2.9%). 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 (2026-09-17); 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 United Domains (DE)
What else the same 409 domains use — cross-tabulated from the same daily snapshot (2026-09-17).
| Type | Service | Domains | Share of United Domains (DE) users |
|---|---|---|---|
| ESP | Mailjet (Sinch) | 16 | 3.9% |
| ESP | Zendesk | 12 | 2.9% |
| ESP | Amazon SES | 10 | 2.4% |
| ESP | Brevo (ex-Sendinblue) | 8 | 2.0% |
| ESP | Mailchimp | 6 | 1.5% |
| ESP | Mailgun | 4 | 1.0% |
| ESP | Mandrill | 3 | 0.7% |
| ESP | SendGrid (Twilio) | 3 | 0.7% |
| ESP | Constant Contact | 3 | 0.7% |
| ESP | SparkPost | 2 | 0.5% |
TLD distribution (top 30 of 61)
Frequently asked questions
How many domains use United Domains (DE)?
409 domains in the Tranco top-1M use United Domains (DE) as their mailbox provider as of September 17, 2026, according to Live Direct Marketing's daily DNS scan.
What is United Domains (DE)'s market share?
United Domains (DE) holds 0.06% of domains with MX records in the Tranco top-1M (snapshot of 2026-09-17). The number is recomputed every day.
What are the biggest alternatives to United Domains (DE)?
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 2026-09-17).
Largest mailbox providers in this category
Self-Hosted (22.50%) · Google Workspace (21.62%) · Microsoft 365 (17.00%) · Unknown / Other (6.66%) · Generic / unmatched (mx*.*) (2.54%) · Generic / unmatched (mail.*) (1.95%) · Proofpoint (1.86%) · Cloudflare Email Routing (1.75%) · Yandex 360 (1.63%) · Mimecast (1.46%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 409 domains.