Shame on you, stupid spammers.. DMARC Spoof Detection

DMARC Spoof Detection, Colombia

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This page shows DMARC authentication failures originating from Colombia. Learn more about this data.

Failures (Filtered)

28

IPs (Filtered)

27

Networks (Filtered)

11

Messages (Filtered)

84

Analysis

Colombia has contributed 27 unique IP addresses across 28 failed authentication events, accounting for 84 messages across 11 networks. Activity spans from November 15, 2024 to June 19, 2026. The most active networks are Telmex Colombia S.A., COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, and ETB - Colombia. The prevalence of cloud and hosting infrastructure among top sources suggests automated or programmatic spoofing activity.