Shame on you, stupid spammers.. DMARC Spoof Detection
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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)

48,878

IPs (Filtered)

5,118

Networks (Filtered)

196

Messages (Filtered)

82,415

Analysis

United States has contributed 5,118 unique IP addresses across 48,878 failed authentication events, accounting for 82,415 messages across 196 networks. Activity spans from March 5, 2024 to May 12, 2026. The most active networks are AT-88-Z, UK-MICROSOFT-20060601, and MSFT.

Failures

Showing 2,851-2,860 of 48,878 failures, affecting 82,415 messages
Date ▲ Source IP Country City Network Messages
9/6/2024 104.47.66.46 US United States MSFT ⓘ 1
9/6/2024 185.183.28.105 US United States pfptnl ⚠ 1
9/6/2024 209.85.220.41 ⓘ US United States GOOGLE ⓘ 4
9/6/2024 2a01:111:f403:2418::702 US United States Boydton N/A 1
9/6/2024 2a01:111:f403:2414::719 US United States Boydton N/A 1
9/6/2024 2a01:111:f403:2418::70a US United States Boydton UK-MICROSOFT-20060601 1
9/6/2024 2a01:111:f403:2417::72d US United States Des Moines UK-MICROSOFT-20060601 1
9/6/2024 2a01:111:f403:2409::70b US United States Des Moines UK-MICROSOFT-20060601 1
9/6/2024 2a01:111:f403:2412::708 US United States N/A 1
9/6/2024 2a01:111:f403:2415::728 US United States Des Moines UK-MICROSOFT-20060601 1

Geographic Distribution (US)

Color intensity represents message volume
Top Networks in United States
Top Owners in United States