Shame on you, stupid spammers.. DMARC Spoof Detection

DMARC Spoof Detection, United States

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

Failures (Filtered)

48,853

IPs (Filtered)

5,109

Networks (Filtered)

189

Messages (Filtered)

82,388

Analysis

United States has contributed 5,109 unique IP addresses across 48,853 failed authentication events, accounting for 82,388 messages across 189 networks. Activity spans from March 5, 2024 to April 22, 2026. The most active networks are AT-88-Z, UK-MICROSOFT-20060601, and MSFT.

Failures

Showing 171-180 of 48,853 failures, affecting 82,388 messages
Date โ–ฒ Source IP Country City Network Messages
3/13/2024 104.47.55.168 US United States Boydton MSFT โ“˜ 1
3/13/2024 52.27.124.21 US United States Boardman AT-88-Z โ“˜ 2
3/13/2024 52.89.255.11 โš  US United States Boardman AT-88-Z โ“˜ 4
3/13/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 8
3/13/2024 104.47.59.169 US United States Des Moines MSFT โ“˜ 1
3/13/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 1
3/13/2024 54.173.50.115 โš  US United States Ashburn AMAZON 2
3/13/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 3
3/13/2024 104.47.57.168 US United States Des Moines MSFT โ“˜ 1
3/13/2024 104.47.56.41 US United States Des Moines MSFT โ“˜ 1

Geographic Distribution (US)

Color intensity represents message volume