It indicates that the domain has recently become active for the first time, either by starting to resolve in DNS or by responding to network probes. This behavior is common in newly registered or reactivated malicious domains, which threat actors often deploy shortly before launching attacks.
Three questions every analyst asks before acting on this signal.
It indicates that the domain has recently become active for the first time, either by starting to resolve in DNS or by responding to network probes. This behavior is common in newly registered or reactivated malicious domains, which threat actors often deploy shortly before launching attacks.
Because newly activated domains often precede phishing, malware distribution, or command-and-control operations. Monitoring domain activation recency helps analysts detect emerging threats before they gain reputation or traffic volume.
Yes, legitimate organizations may launch new services or migrate infrastructure, causing domains to appear newly active. Analysts should cross-check WHOIS registration time, SSL issuance date, and reputation data to distinguish between benign and malicious activations.
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.
{
"slug": "newly_up_domain",
"name": "Newly-Activated Domain",
"group": "dns_history",
"subgroup": "domain_lifecycle",
"direction": "malicious",
"evidence": {
"first_seen_days_ago": 4,
"activation_event": "newly_resolved",
"dormancy_days_before": 0,
"registered_days_ago": 7
}
}4 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
It indicates that one or more subdomains under a given domain have recently become active or resolvable in DNS. This pat…
It refers to a domain that previously maintained a clean reputation and was considered safe, but has later been repurpos…
It indicates that the domain has started resolving to a new IP address for the first time. This event often marks a chan…
It refers to domains where only subdomains are active and the apex (root) domain does not serve any content or DNS respo…
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