Shame on you, stupid spammers.. DMARC Spoof Detection

DMARC Spoof Detection, Germany

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This page shows DMARC authentication failures originating from Germany. Learn more about this data.

Germany accounts for 229 DMARC authentication failures observed by sh4meful over the observation window, sourced from 84 distinct IP addresses across 42 networks. This represents approximately 0.3% of total failure volume observed. Activity from Germany has increased over the last 30 days compared with the prior 30-day period. The most active source is Amazon with 59 failures across 4 IP addresses.

Failures (Filtered)

229

IPs (Filtered)

84

Networks (Filtered)

42

Messages (Filtered)

293

Top Networks in Germany

Ten most active networks sourcing DMARC failures from Germany:

Network Organization Failures Distinct IPs Top City
AT-88-Z Amazon 59 4 Frankfurt am Main
UK-MICROSOFT-20060601 Microsoft 33 5 Frankfurt am Main
OMEGATECH โ€” 20 5 Frankfurt am Main
RIPE โ€” 18 10 Frankfurt am Main
MSFT Microsoft 20 13 Frankfurt am Main
PLAY2GO-CUSTOMERS-NETWORK โ€” 12 3 Frankfurt am Main
DATALIX โ€” 5 4 Frankfurt am Main
SUBALLOC-CONTRUST โ€” 4 2 โ€”
RIPE-ERX-158-94-0-0 โ€” 3 1 Frankfurt am Main
Datalix โ€” 2 2 โ€”

Amazon and Microsoft together account for 40% of failure volume from this country. Distribution across many networks is consistent with commodity spoofing infrastructure operating from this geography.

Failure Activity Over Time

Peak activity was observed in the week of June 22, 2026 with 10 failures recorded. Activity in the most recent 30-day window increased sharply compared with the prior period (15 vs 4 failures).

Regional Context

Compared with peer geographies in Western Europe, Germany's failure volume is above the regional median. Countries in this region collectively contributed 2% of failures observed.

Failures

Showing 141-150 of 229 failures, affecting 293 messages
Date โ–ผ Source IP Country City Network Messages
2/11/2025 176.65.139.132 DE Germany PFCLOUD-NET 1
1/27/2025 176.65.139.132 DE Germany PFCLOUD-NET 1
1/17/2025 3.123.5.129 DE Germany Frankfurt am Main AT-88-Z โ“˜ 1
1/8/2025 3.123.5.129 DE Germany Frankfurt am Main AT-88-Z โ“˜ 1
1/7/2025 178.215.236.91 DE Germany Frankfurt am Main PLAY2GO-CUSTOMERS-NETWORK 1
12/24/2024 178.215.236.91 DE Germany Frankfurt am Main PLAY2GO-CUSTOMERS-NETWORK 1
12/20/2024 3.123.5.13 DE Germany Frankfurt am Main AT-88-Z โ“˜ 1
12/20/2024 3.123.5.128 DE Germany Frankfurt am Main AT-88-Z โ“˜ 2
12/20/2024 52.103.176.18 DE Germany Frankfurt am Main MSFT โ“˜ 1
12/19/2024 52.103.176.1 DE Germany Frankfurt am Main MSFT โ“˜ 1
Top Owners in Germany

What This Means

Country-level patterns don't imply that mail from Germany is inherently malicious. Many failures reflect misconfigured legitimate senders, forwarded messages that break authentication, or automated infrastructure operating without authorization. Domain owners investigating a specific failure should look at the source IP and network details rather than the country alone. Our DMARC guide explains how to interpret these signals in your own reports.