DMARC Spoof Detection, Spain
Clear Clear FilterThis page shows DMARC authentication failures originating from Spain. Learn more about this data.
Spain accounts for 44 DMARC authentication failures observed by sh4meful over the observation window, sourced from 30 distinct IP addresses across 20 networks. This represents approximately 0.4% of total failure volume observed. Activity from Spain has increased over the last 30 days compared with the prior 30-day period. The most active source is RIMA with 12 failures across 5 IP addresses.
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Top Networks in Spain
Ten most active networks sourcing DMARC failures from Spain:
| Network | Organization | Failures | Distinct IPs | Top City |
|---|---|---|---|---|
| RIMA | — | 12 | 5 | Barcelona |
| ES-SBT-20140625 | — | 3 | 3 | Vejer de la Frontera |
| NET-161-22-40-0-0 | — | 4 | 1 | Barcelona |
| ES-SBT-20120607 | — | 2 | 2 | Valdepeñas |
| Excom_Network | — | 2 | 2 | Ibi |
| ES-MUNDITELECOM-20050711 | — | 1 | 1 | Santa Cruz de Tenerife |
| OPERADORA-GREDOS-CUSTOMERS-2 | — | 1 | 1 | Pueblonuevo de Miramontes |
| IPCOM-NET | — | 1 | 1 | Ubrique |
| EUSKALTEL-CM | — | 3 | 1 | Andoain |
| OPERADORA-GREDOS-CUSTOMERS-1 | — | 1 | 1 | Pueblonuevo de Miramontes |
RIMA and ES-SBT-20140625 together account for 38% of failure volume from this country. Distribution across many networks is consistent with commodity spoofing infrastructure operating from this geography.
Failure Activity Over Time
Peak activity was observed in the week of June 15, 2026 with 9 failures recorded. Activity in the most recent 30-day window increased sharply compared with the prior period (13 vs 4 failures).
Regional Context
Compared with peer geographies in Southern Europe, Spain's failure volume is above the regional median. Countries in this region collectively contributed 2% of failures observed.
Failures
Showing 1-10 of 44 failures, affecting 69 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 8/30/2026 | ES Spain | Barcelona | 2 | ||
| 8/27/2026 | ES Spain | Barcelona | 1 | ||
| 8/25/2026 | ES Spain | Barcelona | 1 | ||
| 8/24/2026 | ES Spain | Barcelona | 1 | ||
| 8/14/2026 | ES Spain | Barcelona | 1 | ||
| 8/13/2026 | ES Spain | Barcelona | 1 | ||
| 8/6/2026 | ES Spain | Pueblonuevo de Miramontes | 3 | ||
| 8/4/2026 | ES Spain | Vejer de la Frontera | 3 | ||
| 7/24/2026 | ES Spain | Valdepeñas | 2 | ||
| 7/10/2026 | ES Spain | Madrid | 2 |
What This Means
Country-level patterns don't imply that mail from Spain 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.