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Newly Self-Managed MX Server

The domain has recently set up its own mail exchange server within a short time window.

Analyst Q&A

What this signal answers

The questions every analyst asks before acting on this signal.

What it detects01

What does 'Newly Self-Managed MX' mean?

The domain has recently set up its own mail exchange server within a short time window.

Why it matters02

Why is this distinguished from established self-managed MX?

Recently created self-managed MX is more commonly associated with newly deployed malicious infrastructure.

How analysts use it03

How should analysts investigate this signal?

Check the domain's registration date, WHOIS history, and other MX-related signals.

Often paired with:alert_only
Evidence shape

What Newly Self-Managed MX Server looks like in the response

A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.

json
{
  "slug": "new_self_managed_mx",
  "name": "Newly Self-Managed MX Server",
  "group": "dns_history",
  "subgroup": "dns_records_mx_ns",
  "direction": "malicious",
  "evidence": {
    "ns_provider": "cloudflare.com",
    "ns_provider_tier": "paid_public",
    "ns_stability_days": 412,
    "mx_provider": "google.com",
    "mx_provider_tier": "paid_mail"
  }
}
See in API reference
Siblings

Peers in DNS Records (MX/NS)

12 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.

Newly Self-Managed NS Server

The domain has recently configured its own nameservers within a short time window.

Malicious
Self-Managed Mail Infrastructure Detected

It means the domain operates its own mail exchange (MX) servers instead of relying on trusted third-party providers like…

SafeCore
MX Unchanged Since Domain Creation

The domain's MX records have never been changed since registration, suggesting minimal email infrastructure management.

Malicious
Self-Managed Name Server Detected

It indicates that the domain operates using its own name server infrastructure rather than a reputable third-party DNS p…

Safe
Show 8 more in DNS Records (MX/NS)

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