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 5,451-5,500 of 9,818 (failures, affecting 12,565 messages)
Date ▼ Source IP Country Messages
12/17/2024 40.107.243.42 US 1
12/17/2024 40.107.244.114 US 1
12/17/2024 40.107.244.46 US 1
12/17/2024 40.107.244.60 US 1
12/17/2024 40.107.244.83 US 2
12/17/2024 40.107.244.94 US 1
12/17/2024 40.107.249.60 IE 1
12/17/2024 40.107.92.108 US 1
12/17/2024 40.107.92.82 US 1
12/17/2024 40.107.94.110 US 1
12/17/2024 40.107.95.42 US 1
12/17/2024 40.107.96.128 US 1
12/17/2024 40.107.96.84 US 1
12/17/2024 40.107.96.90 US 1
12/17/2024 40.93.10.5 US 1
12/17/2024 40.93.1.1 US 1
12/17/2024 40.93.11.3 US 1
12/17/2024 40.93.11.5 US 1
12/17/2024 40.93.14.13 US 1
12/17/2024 40.93.14.27 US 1
12/17/2024 40.93.14.30 US 1
12/17/2024 40.93.1.5 US 1
12/17/2024 40.93.1.76 US 1
12/17/2024 40.93.20.3 US 1
12/17/2024 40.93.20.59 US 1
12/17/2024 40.93.20.62 US 1
12/17/2024 40.93.6.0 US 2
12/17/2024 40.93.6.27 US 1
12/17/2024 40.93.65.24 NL 1
12/17/2024 40.93.6.75 US 1
12/17/2024 40.93.73.1 JP 1
12/17/2024 40.95.31.66 US 1
12/17/2024 40.95.33.72 US 1
12/17/2024 40.95.37.43 US 1
12/17/2024 40.95.45.168 US 1
12/17/2024 40.95.45.65 US 1
12/17/2024 40.95.46.59 US 1
12/17/2024 52.100.167.214 US 1
12/17/2024 52.101.128.141 HK 1
12/17/2024 52.101.156.10 KR 1
12/17/2024 52.101.167.113 FR 1
12/17/2024 52.101.193.46 US 1
12/17/2024 52.101.56.29 US 1
12/17/2024 52.101.62.100 US 1
12/17/2024 52.101.62.33 US 1
12/17/2024 52.103.145.10 US 1
12/16/2024 40.95.21.53 US 1
12/16/2024 52.101.61.126 US 1
12/11/2024 104.47.11.109 IE 1
12/11/2024 104.47.17.109 IE 2