DMARC Spoof Detection, Philippines
Clear Clear FilterThis page shows DMARC authentication failures originating from Philippines. Learn more about this data.
Philippines accounts for 32 DMARC authentication failures observed by sh4meful over the observation window, sourced from 32 distinct IP addresses across 11 networks. This represents approximately 0.6% of total failure volume observed. Activity from Philippines has increased over the last 30 days compared with the prior 30-day period. The most active source is Residential_DSL with 19 failures across 19 IP addresses.
32
32
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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 | — | 19 | 19 | Cebu City |
| IDS-Network | — | 1 | 1 | Manila |
| usatv-dagupan-ph | — | 1 | 1 | Dagupan |
| ETPI | — | 2 | 2 | Quezon City |
| GBB-SJN-IP-POOL | — | 1 | 1 | — |
| ADSL | — | 2 | 2 | San Jose del Monte |
| GLOBET-PH | — | 2 | 2 | Cagayan de Oro |
| DTC-PH | — | 1 | 1 | Quezon City |
| IPG | — | 1 | 1 | Angeles City |
| Fil-Products-Ozamis | — | 1 | 1 | Davao City |
Residential_DSL and IDS-Network together account for 75% 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 August 24, 2026 with 12 failures recorded. Activity in the most recent 30-day window increased sharply compared with the prior period (20 vs 2 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 3% of failures observed.
Failures
Showing 1-10 of 32 failures, affecting 93 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 9/2/2026 | PH Philippines | Iligan | 4 | ||
| 8/31/2026 | PH Philippines | Cebu City | 4 | ||
| 8/29/2026 | PH Philippines | 4 | |||
| 8/24/2026 | PH Philippines | Manila | 8 | ||
| 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 |
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.