ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
Shame on you, stupid spammers..Sh4meful  DMARC Spoof Detection

Network: CITYONLINELTD-BD

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

Network Information
WHOIS Owner:
City Online Ltd. House-43, Road-18, Sector-07,
Countries:
BD
Unique IPs:
4
CIDRs:
103.84.38.0/24, 113.212.109.0/24, (more)

Analysis

This network has contributed 4 unique IP addresses across 4 failed authentication events, accounting for 8 messages. Activity spans from June 13, 2026 to August 3, 2026, with peak volume in June 2026 (2 events). The top countries by failure volume are Bangladesh (100%). The most active source IPs from this network include 103.84.38.42 (1 failure), 113.212.109.163 (1 failure), 113.212.111.50 (1 failure). Failures from CITYONLINELTD-BD are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-4 of 4 failures, affecting 8 messages
Date โ–ผ Source IP Country Messages
8/3/2026 113.212.111.50 BD1
8/3/2026 113.212.111.51 BD2
6/18/2026 113.212.109.163 BD1
6/13/2026 103.84.38.42 BD4
Countries