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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 228 DMARC authentication failures observed by sh4meful over the observation window, sourced from 83 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)

228

IPs (Filtered)

83

Networks (Filtered)

42

Messages (Filtered)

290

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 — 20 5 Frankfurt am Main
MSFT Microsoft 20 13 Frankfurt am Main
RIPE — 17 9 Frankfurt am Main
PLAY2GO-CUSTOMERS-NETWORK — 12 3 Frankfurt am Main
DATALIX — 5 4 Frankfurt am Main
SUBALLOC-CONTRUST — 4 2 —
RIPE-ERX-158-94-0-0 — 3 1 Frankfurt am Main
Datalix — 2 2 —

Amazon and Microsoft together account for 41% 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 (12 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 51-60 of 228 failures, affecting 290 messages
Date ▼ Source IP Country City Network Messages
10/6/2025 213.209.157.188 DE Germany DE-RAPIDNET-20000607 1
10/3/2025 3.123.5.13 DE Germany Frankfurt am Main AT-88-Z ⓘ 1
10/2/2025 80.142.158.66 DE Germany Rothenburg DTAG-DIAL16 4
9/30/2025 2a01:111:f403:e20c::2 DE Germany Frankfurt am Main UK-MICROSOFT-20060601 1
9/26/2025 178.16.52.167 DE Germany Frankfurt am Main OMEGATECH 1
9/26/2025 2a01:111:f403:e20c::2 DE Germany Frankfurt am Main UK-MICROSOFT-20060601 1
9/26/2025 84.201.116.113 DE Germany DTS-SECURITY-EMAIL-GATEWAYS 1
9/26/2025 2a01:111:f403:e20c::2 DE Germany Frankfurt am Main UK-MICROSOFT-20060601 1
9/24/2025 2a01:111:f403:e20c::2 DE Germany Frankfurt am Main UK-MICROSOFT-20060601 1
9/24/2025 2a01:111:f403:e20c::2 DE Germany Frankfurt am Main UK-MICROSOFT-20060601 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.