Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection

Network: RRMA

This page shows DMARC authentication failures originating from the RRMA network. Learn more about this data.

Network Information
Org ID:
CC-3517
Address:
6175 S. Willow Dr, Greenwood Village, CO 80111
Countries:
US
Unique IPs:
1
CIDR:
71.64.0.0/12

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on August 6, 2025. The top countries by failure volume are United States (100%). The most active source IP from this network includes 71.66.84.156 (1 failure). A single IP dominates activity from RRMA, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-1 of 1 failures, affecting 1 message
Countries