Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection 🦋 Bluesky

Network: MSFT

The data here is from DMARC analysis for domains I administer, drawn from a larger dataset (comprising millions of authentication records and messages). These entries are from email attempts that failed both SPF and DKIM (and there are often alignment issues - hidden here). In many cases, these failures indicate unauthorized use of the domain name, and are commonly associated with spoofing, phishing, or other abusive mail activity.

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Network Information
Owner:
Microsoft
Countries:
AU AT CA FR DE HK IN IE JP NO SG KR SE CH NL AE GB US
Unique IPs:
3,238
CIDRs:
104.40.0.0/13, 23.96.0.0/13, (more)
Failures Detected from this Network
Showing 2,451-2,500 of 9,818 (failures, affecting 12,565 messages)
Date ▼ Source IP Country Messages
6/28/2025 40.107.212.63 US 1
6/28/2025 40.93.1.1 US 3
6/28/2025 40.93.195.73 US 1
6/28/2025 40.93.6.26 US 1
6/28/2025 40.95.20.53 US 1
6/28/2025 40.95.32.70 US 1
6/28/2025 40.95.37.74 US 1
6/28/2025 40.95.38.81 US 1
6/28/2025 52.101.193.76 US 1
6/28/2025 52.101.43.86 US 1
6/28/2025 52.101.56.101 US 1
6/28/2025 52.101.56.96 US 1
6/27/2025 104.47.11.235 NL 1
6/27/2025 104.47.18.112 NL 1
6/27/2025 104.47.51.40 US 1
6/27/2025 104.47.51.42 US 1
6/27/2025 104.47.51.44 US 1
6/27/2025 104.47.51.45 US 1
6/27/2025 104.47.51.49 US 1
6/27/2025 104.47.55.168 US 1
6/27/2025 104.47.55.170 US 2
6/27/2025 104.47.55.172 US 1
6/27/2025 104.47.55.174 US 1
6/27/2025 104.47.55.175 US 1
6/27/2025 104.47.55.176 US 1
6/27/2025 104.47.55.40 US 4
6/27/2025 104.47.55.42 US 2
6/27/2025 104.47.55.43 US 2
6/27/2025 104.47.55.44 US 1
6/27/2025 104.47.55.45 US 2
6/27/2025 104.47.55.48 US 1
6/27/2025 104.47.55.49 US 1
6/27/2025 104.47.56.169 US 1
6/27/2025 104.47.56.170 US 1
6/27/2025 104.47.56.171 US 3
6/27/2025 104.47.56.172 US 1
6/27/2025 104.47.56.173 US 2
6/27/2025 104.47.56.175 US 1
6/27/2025 104.47.56.177 US 3
6/27/2025 104.47.56.40 US 1
6/27/2025 104.47.56.46 US 1
6/27/2025 104.47.56.47 US 3
6/27/2025 104.47.56.49 US 1
6/27/2025 104.47.57.168 US 6
6/27/2025 104.47.57.169 US 1
6/27/2025 104.47.57.171 US 2
6/27/2025 104.47.57.172 US 1
6/27/2025 104.47.57.174 US 2
6/27/2025 104.47.57.176 US 2
6/27/2025 104.47.57.177 US 4