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

Network: UK-MICROSOFT-20060601

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
WHOIS Owner:
ORG-MA42-RIPE
Countries:
AU AT CA FR DE HK IN IE JP NO SG ZA KR SE CH NL GB US
Unique IPs:
1,062
CIDR:
2a01:111:f400::/40
Failures Detected from this Network
Showing 1,001-1,050 of 6,097 (failures, affecting 12,594 messages)
Date â–ŧ Source IP Country Messages
10/9/2025 2a01:111:f403:c007::2 ⓘ US 3
10/9/2025 2a01:111:f403:c100::b US 1
10/9/2025 2a01:111:f403:c100::f US 6
10/9/2025 2a01:111:f403:c101::7 US 6
10/9/2025 2a01:111:f403:c105::1 US 7
10/9/2025 2a01:111:f403:c105::5 US 1
10/9/2025 2a01:111:f403:c105::7 US 5
10/9/2025 2a01:111:f403:c105::b US 1
10/9/2025 2a01:111:f403:c107::1 US 5
10/9/2025 2a01:111:f403:c107::3 US 12
10/9/2025 2a01:111:f403:c107::7 US 1
10/9/2025 2a01:111:f403:c107::9 ⓘ US 4
10/9/2025 2a01:111:f403:c10c::1 ⓘ US 4
10/9/2025 2a01:111:f403:c10d::1 US 2
10/9/2025 2a01:111:f403:c10d::3 ⓘ US 5
10/9/2025 2a01:111:f403:c10d::4 US 1
10/9/2025 2a01:111:f403:c110::1 US 5
10/9/2025 2a01:111:f403:c111::13 US 1
10/9/2025 2a01:111:f403:c111::34 US 2
10/9/2025 2a01:111:f403:c111::5 US 6
10/9/2025 2a01:111:f403:c111::9 US 5
10/9/2025 2a01:111:f403:c112::5 US 8
10/9/2025 2a01:111:f403:c112::7 US 8
10/9/2025 2a01:111:f403:c405::7 JP 1
10/9/2025 2a01:111:f403:e01b:: US 1
10/8/2025 2a01:111:f403:c000::1 US 5
10/8/2025 2a01:111:f403:c000::9 US 1
10/8/2025 2a01:111:f403:c001::2 US 8
10/8/2025 2a01:111:f403:c005::5 ⓘ US 6
10/8/2025 2a01:111:f403:c007::2 ⓘ US 11
10/8/2025 2a01:111:f403:c100::f US 11
10/8/2025 2a01:111:f403:c101::7 US 8
10/8/2025 2a01:111:f403:c105::1 US 10
10/8/2025 2a01:111:f403:c105::5 US 12
10/8/2025 2a01:111:f403:c105::7 US 12
10/8/2025 2a01:111:f403:c105::d US 1
10/8/2025 2a01:111:f403:c107::1 US 3
10/8/2025 2a01:111:f403:c107::3 US 8
10/8/2025 2a01:111:f403:c107::9 ⓘ US 5
10/8/2025 2a01:111:f403:c107::e US 1
10/8/2025 2a01:111:f403:c10c::1 ⓘ US 8
10/8/2025 2a01:111:f403:c10d::1 US 10
10/8/2025 2a01:111:f403:c10d::3 ⓘ US 7
10/8/2025 2a01:111:f403:c110::1 US 7
10/8/2025 2a01:111:f403:c111::20 US 1
10/8/2025 2a01:111:f403:c111::25 US 1
10/8/2025 2a01:111:f403:c111::35 US 1
10/8/2025 2a01:111:f403:c111::5 US 6
10/8/2025 2a01:111:f403:c111::9 US 6
10/8/2025 2a01:111:f403:c112::1 US 2