DMARC Spoof Detection, Austria
Clear Clear FilterThis page shows DMARC authentication failures originating from Austria. Learn more about this data.
Austria accounts for 215 DMARC authentication failures observed by sh4meful over the observation window, sourced from 80 distinct IP addresses across 5 networks. This represents approximately 0.2% of total failure volume observed. Activity from Austria has held roughly steady over the last 30 days. The most active source is Microsoft with 167 failures across 54 IP addresses.
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Top Networks in Austria
Ten most active networks sourcing DMARC failures from Austria:
| Network | Organization | Failures | Distinct IPs | Top City |
|---|---|---|---|---|
| MSFT | Microsoft | 167 | 54 | Vienna |
| UK-MICROSOFT-20060601 | Microsoft | 32 | 19 | Vienna |
| FREQUENTIS | — | 6 | 2 | — |
| DK-ASP-BASIC | — | 2 | 1 | Bad Schallerbach |
| A1TA-CUSTOMER-AT | — | 1 | 1 | Linz |
Microsoft and Microsoft together account for 93% of failure volume from this country. Concentration in a small number of networks suggests targeted infrastructure rather than diffuse compromise.
Failure Activity Over Time
Regional Context
Compared with peer geographies in Western Europe, Austria's failure volume is comparable to the regional median. Countries in this region collectively contributed 2% of failures observed.
Failures
Showing 1-10 of 215 failures, affecting 221 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 4/16/2026 | AT Austria | Linz | 1 | ||
| 9/26/2025 | AT Austria | 1 | |||
| 9/24/2025 | AT Austria | Vienna | 1 | ||
| 9/20/2025 | AT Austria | Vienna | 1 | ||
| 9/20/2025 | AT Austria | Vienna | 1 | ||
| 9/19/2025 | AT Austria | Vienna | 1 | ||
| 9/19/2025 | AT Austria | Vienna | 1 | ||
| 9/18/2025 | AT Austria | Vienna | 2 | ||
| 9/18/2025 | AT Austria | Vienna | 1 | ||
| 9/18/2025 | AT Austria | Vienna | 1 |
What This Means
Country-level patterns don't imply that mail from Austria is inherently malicious. Many failures reflect misconfigured legitimate senders, forwarded messages that break authentication, or automated infrastructure operating without authorization. Domain owners investigating a specific failure should look at the source IP and network details rather than the country alone. Our DMARC guide explains how to interpret these signals in your own reports.