DMARC Spoof Detection, United Kingdom
Clear Clear FilterThis page shows DMARC authentication failures originating from United Kingdom. Learn more about this data.
Failures (Filtered)
78
IPs (Filtered)
51
Networks (Filtered)
21
Messages (Filtered)
94
Analysis
United Kingdom has contributed 51 unique IP addresses across 78 failed authentication events, accounting for 94 messages across 21 networks. Activity spans from March 13, 2024 to March 13, 2026. The most active networks are MSFT, MERULA, and UK-MISTRAL-970924.
Failures
Showing 1-10 of 78 (failures, affecting 94 messages)| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 3/5/2026 | GB United Kingdom | London | 1 | ||
| 3/5/2026 | GB United Kingdom | London | 1 | ||
| 3/1/2026 | GB United Kingdom | Alton | 1 | ||
| 2/28/2026 | GB United Kingdom | 1 | |||
| 1/21/2026 | GB United Kingdom | Manchester | N/A | 1 | |
| 12/29/2025 | GB United Kingdom | Cambridge | 1 | ||
| 10/16/2025 | GB United Kingdom | Halesowen | 1 | ||
| 10/14/2025 | GB United Kingdom | Halesowen | 2 | ||
| 10/8/2025 | GB United Kingdom | Edinburgh | 1 | ||
| 9/29/2025 | GB United Kingdom | 1 |
Top Networks in United Kingdom