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Registered in Last Week

It indicates that the domain was registered very recently, within the last week, month, or few months. Newly registered domains are frequently used in phishing, malware campaigns, and command-and-control infrastructures.

Also surfaces as:
Registered in Last MonthRegistered in Last 3 MonthsRegistered in Last Year
Analyst Q&A

What this signal answers

The questions every analyst asks before acting on this signal.

What it detects01

What does 'Recently Registered Domain' mean?

It indicates that the domain was registered very recently, within the last week, month, or few months. Newly registered domains are frequently used in phishing, malware campaigns, and command-and-control infrastructures.

Why it matters02

Why are newly registered domains considered risky?

Threat actors often use short-lived domains to avoid blacklisting and to quickly deploy malicious payloads. These domains are rarely associated with legitimate long-term business operations.

How analysts use it03

How should SOC or CTI teams interpret these time ranges?

Shorter registration windows (e.g., within the last week or month) indicate significantly higher risk. Domains registered within the past year still require close monitoring, especially if combined with other suspicious indicators such as free SSL certificates or abnormal DNS patterns.

Often paired with:alert_only
Evidence shape

What Registered in Last Week 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": "whois_recently_registered",
  "name": "Registered in Last Week",
  "group": "whois",
  "subgroup": "age_lifecycle",
  "direction": "malicious",
  "evidence": {
    "registered_days_ago": 12,
    "last_transfer_days_ago": 0,
    "expiring_in_days": 360,
    "age_band": "newborn"
  }
}
See in API reference
Siblings

Peers in Age & Lifecycle

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

Registered for 10+ Years

It indicates that the domain’s WHOIS record shows a long registration duration, typically 2, 5, or 10+ years. Such long-…

SafeCore
Dead Domain, Recently Expired

This label identifies dead (offline) domains that are either about to expire or have recently expired. Such domains are …

Malicious
WHOIS-Based Reputation-Hijacked (Inactive) Domain

It refers to a domain that was once legitimate and trusted, later expired or abandoned, then re-registered by threat act…

Malicious

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