DMARC Spoof Detection, Philippines
Clear Clear FilterThis page shows DMARC authentication failures originating from Philippines. Learn more about this data.
Philippines accounts for 28 DMARC authentication failures observed by sh4meful over the observation window, sourced from 28 distinct IP addresses across 9 networks. This represents approximately 0.1% of total failure volume observed. Activity from Philippines has declined over the last 30 days compared with the prior 30-day period. The most active source is Residential_DSL with 17 failures across 17 IP addresses.
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28
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Top Networks in Philippines
Ten most active networks sourcing DMARC failures from Philippines:
| Network | Organization | Failures | Distinct IPs | Top City |
|---|---|---|---|---|
| Residential_DSL | — | 17 | 17 | Cebu City |
| ADSL | — | 2 | 2 | San Jose del Monte |
| ETPI | — | 2 | 2 | Paranaque City |
| usatv-dagupan-ph | — | 1 | 1 | Dagupan |
| GLOBET-PH | — | 2 | 2 | Cagayan de Oro |
| DTC-PH | — | 1 | 1 | Quezon City |
| Fil-Products-Ozamis | — | 1 | 1 | Davao City |
| IPG | — | 1 | 1 | Angeles City |
| BATAAN-PH | — | 1 | 1 | Balanga |
Residential_DSL and ADSL together account for 79% of failure volume from this country. Concentration in a small number of networks suggests targeted infrastructure rather than diffuse compromise.
Failure Activity Over Time
Peak activity was observed in the week of July 13, 2026 with 4 failures recorded. Activity in the most recent 30-day window declined compared with the prior period (2 vs 4 failures).
Regional Context
Compared with peer geographies in South-Eastern Asia, Philippines's failure volume is above the regional median. Countries in this region collectively contributed 1% of failures observed.
Failures
Showing 1-10 of 28 failures, affecting 73 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 8/3/2026 | PH Philippines | Quezon City | 2 | ||
| 7/19/2026 | PH Philippines | Cainta | 4 | ||
| 6/21/2026 | PH Philippines | Cagayan de Oro | 1 | ||
| 5/30/2026 | PH Philippines | Angeles City | 1 | ||
| 4/7/2026 | PH Philippines | Los Baños | 4 | ||
| 12/11/2025 | PH Philippines | Dagupan | 4 | ||
| 12/10/2025 | PH Philippines | Plaridel | 1 | ||
| 7/3/2025 | PH Philippines | Cabanatuan City | 1 | ||
| 7/3/2025 | PH Philippines | Davao City | 1 | ||
| 7/2/2025 | PH Philippines | Carmona | 1 |
What This Means
Country-level patterns don't imply that mail from Philippines 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.