According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Magenta Business (T-Mobile AT) is the mailbox provider for 66 domains — 0.01% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
Magenta Business is the email hosting service operated by T-Mobile Austria, providing both inbound and outbound mail infrastructure to organisations across Austria.
Magenta Business appears across Austria's .at domains in the Tranco top-1 million list, concentrated in the mid-market and smaller-organisation segment rather than enterprise operations. Its presence frequently overlaps with Brevo (formerly Sendinblue). For senders targeting Austrian recipients, Magenta Business is a material provider to account for in deliverability testing; for receivers at Magenta-hosted domains, the provider's specific filtering and authentication standards directly affect inbox placement.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 1 | 1.5% |
| Top 1,000,000 | 59 | 89.4% |
| Unranked | 6 | 9.1% |
| TLD | Domains | Share | |
|---|---|---|---|
| .at | 48 | 72.7% | |
| .com | 12 | 18.2% | |
| .net | 3 | 4.5% | |
| .de | 2 | 3.0% | |
| .business | 1 | 1.5% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 66 domains.
| Type | Service | Domains | Share of Magenta Business (T-Mobile AT) users |
|---|---|---|---|
| ESP | Zoho ZeptoMail | 1 | 1.5% |
| ESP | HubSpot | 1 | 1.5% |
| ESP | Brevo (ex-Sendinblue) | 1 | 1.5% |
Magenta Business is geographically concentrated in Austria's .at domain space and predominantly deployed across mid-market and smaller organisations rather than large enterprises. This regional and size-based skew means mail senders targeting Austrian recipients should recognise Magenta Business as a provider-specific routing target with distinct infrastructure characteristics. The mid-market prevalence may also indicate varying maturity in email authentication standards across the recipient base, making SPF, DKIM, and DMARC compliance particularly important for reliable delivery.
See the full Magenta Business (T-Mobile AT) data page (KPI cards, trend, sample domains) →
Magenta Business hosts a concentrated segment of Austrian .at domain inboxes, particularly amongst mid-market and smaller organisations. Senders targeting Austrian recipients and receivers at Magenta-hosted domains should account for its specific filtering, authentication, and abuse standards.
66 domains in the Tranco top-1M use Magenta Business (T-Mobile AT) as their mailbox provider as of July 13, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Magenta Business (T-Mobile AT) accounts for 0.01% 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.
Magenta Business (T-Mobile AT)'s largest TLD is .at (72.7% of its domains); it appears across 5 TLDs in total.