Shame on you, stupid spammers.. DMARC Spoof Detection

DMARC Spoof Detection, Costa Rica

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

Failures (Filtered)

5

IPs (Filtered)

3

Networks (Filtered)

2

Messages (Filtered)

8

Analysis

Costa Rica has contributed 3 unique IP addresses across 5 failed authentication events, accounting for 8 messages across 2 networks. Activity spans from October 23, 2024 to July 6, 2025. The most active networks are MILLICOM CABLE COSTA RICA S.A., and TELECABLE RESIDENCIAL.