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

Network: FRTR-LEGACY-FTR13

This page shows DMARC authentication failures originating from the FRTR-LEGACY-FTR13 network. Learn more about this data.

Network Information
WHOIS Owner:
Frontier Communications of America, Inc.
Countries:
US
Unique IPs:
1
CIDR:
50.126.128.0/17

Analysis

This network has contributed 1 unique IP address across 8 failed authentication events, accounting for 14 messages. Activity spans from April 25, 2026 to May 25, 2026, with peak volume in May 2026 (10 events). The top countries by failure volume are United States (100%). The most active source IP from this network includes 50.127.181.82 (14 failures). A single IP dominates activity from FRTR-LEGACY-FTR13, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-8 of 8 failures, affecting 14 messages
Countries