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

IP Address: 37.139.52.46

This page shows DMARC authentication failure data for this IP address. Learn more about this data.

Geolocation Information
Country:
FR France
Region:
Grand Est
City:
Lauterbourg
Coordinates:
48.9742, 8.1851
WHOIS Information
Network Name:
MRHOSTBIZ-NET
CIDR:
37.139.52.0/24
Owner:
ORG-MA751-RIPE
Reverse DNS:
37-139-52-46.mrhost.biz
Last updated: 2/5/2026

Analysis

This IP was observed on a single date: June 28, 2025. It has been associated with 1 failed authentication event affecting 1 message โ€” a single isolated event. The IP belongs to MRHOSTBIZ-NET (ORG-MA751-RIPE), a hosting provider with activity associated with France. One other IP in the same /24 subnet (37.139.52.*) also appears in this dataset.

Failures Detected from this IP
Showing 1-1 of 1 failures, affecting 1 message
External Reputation Lookups

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Nearby IPs

Other IPs in the 37.139.52.0/24 range observed failing DMARC:

37.139.52.39 (1 failure)