Unmasking the .monster TLD: Are Spammers Running Rampant?

In the vast expanse of the internet, the battle against spam is a never-ending struggle. Recently, concerns have been raised about the .monster top-level domain (TLD), with suspicions that it might be serving as a haven for spammers. This blog post delves into the alarming pattern of one-day spam domains under the .monster TLD, examines the origins of this spam, and questions whether it's merely a coincidence or something more sinister.

The Suspicious Trend

A perplexing phenomenon has caught the attention of online security experts: the proliferation of one-day spam domains under the .monster TLD. Unlike other TLDs that have experienced occasional spam outbreaks, the sheer volume and brief lifespan of these domains raise eyebrows. It's almost as if the TLD itself was created for a single purpose – to flood inboxes and digital spaces with unsolicited content.

Comparing Historical Cases

Drawing comparisons to past instances of TLDs being exploited by spammers can provide valuable context. TLDs like .xyz and .icu have indeed witnessed their share of spam during promotional periods. However, the deluge of spam from these TLDs pales in comparison (and even clears up over time) to the flood of spam originating from .monster since its launch. This stark contrast begs the question: Is the excessive spam from .monster a result of a strategic spamming campaign rather than a natural consequence of TLD promotion?

Behind the Scenes: Network Analysis

Unveiling the curtain on the origins of this spam, network analysis reveals a startling revelation. The bulk of spam emanating from .monster domains seems to originate from a limited number of networks. This concentration of spam sources suggests a coordinated effort rather than isolated incidents. Such a pattern prompts suspicions about the true intentions behind the .monster TLD and who might be pulling the strings.

A Mysterious Operator

The heart of this debate revolves around the ownership and operation of the .monster TLD. The frequency and scale of disposable, one-day spam domains suggest an entity capable of mass-producing .monster domains with minimal overhead. This level of efficiency appears incongruous with the usual operations of a TLD during a promotional phase. As such, it raises the question of whether the .monster TLD is under the control of individuals with motives beyond the standard promotion of a new TLD.


The ongoing surge of spam from .monster domains sparks concerns about the integrity of the TLD system. While correlation does not always imply causation, the distinct pattern of spam and its origins from specific networks point toward the possibility of coordinated spamming efforts. The situation underscores the importance of maintaining vigilance within the digital realm and raises questions about the accountability of TLD operators.

As the debate continues, the battle against spam evolves into new territories, prompting us to critically assess the systems we rely on for a safe and secure online experience. Whether the .monster TLD is indeed harboring spammers, are actually the spammers themselves, or if there's a more benign explanation, the need for transparency and robust safeguards within the domain registration process becomes ever more paramount.

At MXroute, we've blocked all inbound mail from .monster domains. We've seen a 0% correlation between this and blocking legitimate emails.