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)

48,872

IPs (Filtered)

5,116

Networks (Filtered)

196

Messages (Filtered)

82,408

Analysis

United States has contributed 5,116 unique IP addresses across 48,872 failed authentication events, accounting for 82,408 messages across 196 networks. Activity spans from March 5, 2024 to May 3, 2026. The most active networks are AT-88-Z, UK-MICROSOFT-20060601, and MSFT.

Failures

Showing 2,021-2,030 of 48,872 failures, affecting 82,408 messages
Date โ–ฒ Source IP Country City Network Messages
6/12/2024 104.47.55.170 US United States Boydton MSFT โ“˜ 1
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 2
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 4
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 3
6/12/2024 100.21.157.149 โš  US United States Boardman AMAZO-4 โ“˜ 1
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 5
6/12/2024 104.47.66.40 US United States MSFT โ“˜ 1
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 10
6/12/2024 40.95.36.75 US United States Boydton MSFT โ“˜ 1
6/12/2024 35.174.145.124 โš  US United States Ashburn AT-88-Z โ“˜ 3

Geographic Distribution (US)

Color intensity represents message volume