According to Live Direct Marketing's daily Tranco top-1M scan (July 12, 2026), Microsoft 365 Germany is the email service provider (ESP) for 125 domains — 0.02% of 617,244 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Microsoft 365 Germany is the German regional deployment of Microsoft's cloud email and productivity platform, designed for organisations subject to German and EU data-residency requirements. It provides Exchange Online, Outlook, Teams, and other Microsoft 365 services hosted on infrastructure within Germany, operated by Microsoft with compliance provisions for the German market.
From an email deliverability standpoint, Microsoft 365 Germany's presence is concentrated among small-to-medium-sized organisations and enterprises in the German (.de) domain space, where it serves as the mail infrastructure for many regional businesses. When auditing SPF records or authentication flows for German domains, senders and administrators frequently encounter Microsoft 365 Germany's authentication mechanisms, making understanding its infrastructure relevant for anyone managing mail flows to or within Germany.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.8% |
| Top 100,000 | 8 | 6.4% |
| Top 1,000,000 | 108 | 86.4% |
| Unranked | 8 | 6.4% |
| TLD | Domains | Share | |
|---|---|---|---|
| .de | 62 | 49.6% | |
| .com | 31 | 24.8% | |
| .at | 5 | 4.0% | |
| .net | 5 | 4.0% | |
| .info | 3 | 2.4% | |
| .io | 2 | 1.6% | |
| .nl | 1 | 0.8% | |
| .services | 1 | 0.8% | |
| .digital | 1 | 0.8% | |
| .ph | 1 | 0.8% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 125 domains.
| Type | Service | Domains | Share of Microsoft 365 Germany users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 59 | 47.2% |
| Mailbox | Unknown / Other | 36 | 28.8% |
| Mailbox | Self-Hosted | 11 | 8.8% |
| Mailbox | Hornetsecurity | 5 | 4.0% |
| Mailbox | Generic / unmatched (mx*.*) | 4 | 3.2% |
| Mailbox | Generic / unmatched (mail.*) | 3 | 2.4% |
| ESP | HubSpot | 13 | 10.4% |
| ESP | Constant Contact | 12 | 9.6% |
| ESP | Brevo (ex-Sendinblue) | 9 | 7.2% |
| ESP | Mailchimp | 8 | 6.4% |
Organisations using Microsoft 365 Germany authenticate their outbound mail through the platform's regional infrastructure, resulting in SPF records that reference Microsoft 365 Germany's sending endpoints. For senders routing mail to German businesses and administrators verifying authentication on German domains, this means recognising Microsoft 365 Germany's SPF includes as a legitimate authentication method and ensuring that bounce handling and reply routing properly account for the regional infrastructure's envelope sender addresses.
See the full Microsoft 365 Germany data page (KPI cards, trend, sample domains) →
Microsoft 365 Germany is the German-hosted version of Microsoft's cloud email platform, used by many organisations in Germany for compliance reasons. It affects deliverability because mail from these organisations authenticates through Microsoft 365 Germany's infrastructure, so senders need to recognise its SPF and authentication mechanisms as part of normal German domain handling.
125 domains in the Tranco top-1M use Microsoft 365 Germany as their email service provider (ESP) as of July 12, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Microsoft 365 Germany accounts for 0.02% of SPF-publishing domains 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.
Microsoft 365 Germany's largest TLD is .de (49.6% of its domains); it appears across 23 TLDs in total.