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)

50,744

IPs (Filtered)

5,217

Networks (Filtered)

201

Messages (Filtered)

85,169

Analysis

United States has contributed 5,217 unique IP addresses across 50,744 failed authentication events, accounting for 85,169 messages across 201 networks. Activity spans from March 5, 2024 to July 8, 2026. The most active networks are AT-88-Z, UK-MICROSOFT-20060601, and MSFT.

Failures

Showing 7,201-7,210 of 50,744 failures, affecting 85,169 messages
Date โ–ฒ Source IP Country City Network Messages
10/23/2024 40.95.34.70 US United States Des Moines MSFT โ“˜ 1
10/23/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 7
10/23/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 10
10/23/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 2
10/23/2024 3.132.222.232 โš  US United States Columbus AT-88-Z โ“˜ 1
10/23/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 6
10/23/2024 104.47.58.49 US United States Des Moines MSFT โ“˜ 1
10/23/2024 40.93.199.104 US United States Cheyenne MSFT โ“˜ 1
10/23/2024 40.93.195.85 US United States San Antonio MSFT โ“˜ 1
10/23/2024 2603:10b6:518:1::74 US United States MSFT โ“˜ 1

Geographic Distribution (US)

Color intensity represents message volume