Sh4meful DMARC Spoof Detection
Network: GOOGLE
âšī¸ Annotation: Google, and Google Cloud Platform (GCP)
Last updated: 1/29/2026
This is (part of) the GCP public cloud. Some email protection services run in GCP, but it is also an attack/spam vector.
About this Data
âļThe 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.
Failures Detected from this Network
Showing 251-300 of 740 (failures, affecting 2,058 messages)| Date âŧ | Source IP | Country | Messages |
|---|---|---|---|
| 6/13/2025 | US | 1 | |
| 6/13/2025 | US | 1 | |
| 6/13/2025 | US | 1 | |
| 6/13/2025 | US | 8 | |
| 6/13/2025 | US | 1 | |
| 6/12/2025 | US | 1 | |
| 6/12/2025 | US | 2 | |
| 6/12/2025 | US | 1 | |
| 6/11/2025 | US | 3 | |
| 6/10/2025 | US | 1 | |
| 6/10/2025 | US | 8 | |
| 6/9/2025 | US | 5 | |
| 6/8/2025 | US | 1 | |
| 6/6/2025 | US | 1 | |
| 6/6/2025 | US | 1 | |
| 6/4/2025 | US | 1 | |
| 6/4/2025 | US | 1 | |
| 6/4/2025 | US | 1 | |
| 6/4/2025 | US | 11 | |
| 6/4/2025 | US | 1 | |
| 6/3/2025 | US | 4 | |
| 6/2/2025 | US | 4 | |
| 5/31/2025 | US | 1 | |
| 5/30/2025 | US | 1 | |
| 5/29/2025 | US | 1 | |
| 5/28/2025 | US | 2 | |
| 5/27/2025 | US | 1 | |
| 5/27/2025 | US | 2 | |
| 5/27/2025 | US | 1 | |
| 5/27/2025 | US | 5 | |
| 5/26/2025 | US | 1 | |
| 5/26/2025 | US | 1 | |
| 5/22/2025 | US | 7 | |
| 5/21/2025 | US | 5 | |
| 5/17/2025 | US | 1 | |
| 5/17/2025 | US | 1 | |
| 5/16/2025 | US | 1 | |
| 5/16/2025 | US | 5 | |
| 5/15/2025 | US | 3 | |
| 5/14/2025 | US | 1 | |
| 5/14/2025 | US | 1 | |
| 5/13/2025 | US | 1 | |
| 5/13/2025 | US | 6 | |
| 5/13/2025 | US | 1 | |
| 5/12/2025 | US | 1 | |
| 5/12/2025 | US | 3 | |
| 5/11/2025 | US | 1 | |
| 5/10/2025 | US | 1 | |
| 5/9/2025 | US | 2 | |
| 5/8/2025 | US | 2 |