DMARC Spoof Detection, Ireland
Clear Clear FilterThis page shows DMARC authentication failures originating from Ireland. Learn more about this data.
Ireland accounts for 38 DMARC authentication failures observed by sh4meful over the observation window, sourced from 23 distinct IP addresses across 2 networks. This represents approximately 0.2% of total failure volume observed. Activity from Ireland has held roughly steady over the last 30 days. The most active source is Google with 37 failures across 22 IP addresses.
38
23
2
39
Top Networks in Ireland
Ten most active networks sourcing DMARC failures from Ireland:
| Network | Organization | Failures | Distinct IPs | Top City |
|---|---|---|---|---|
| IE-GOOGLE-20091005 | 37 | 22 | — | |
| UK-MICROSOFT-20060601 | Microsoft | 1 | 1 | Dublin |
Google and Microsoft together account for 100% 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 Northern Europe, Ireland's failure volume is above the regional median. Countries in this region collectively contributed 2% of failures observed.
Failures
Showing 1-10 of 38 failures, affecting 39 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 9/26/2025 | IE Ireland | 1 | |||
| 7/9/2025 | IE Ireland | 1 | |||
| 3/11/2025 | IE Ireland | 1 | |||
| 3/11/2025 | IE Ireland | 1 | |||
| 3/11/2025 | IE Ireland | 1 | |||
| 3/11/2025 | IE Ireland | 1 | |||
| 3/7/2025 | IE Ireland | 1 | |||
| 3/7/2025 | IE Ireland | 1 | |||
| 3/7/2025 | IE Ireland | 1 | |||
| 3/7/2025 | IE Ireland | 1 |
What This Means
Country-level patterns don't imply that mail from Ireland 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.