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Suspicious64/100actionalert_only
VerdictIQSecurity Report

Subject

centralnetro[.]com[.]br

Recommended actionalert_onlyIOC typedomainVerified2026-08-01

Risk level

Suspicious

score 64 / 100

Why this verdict

Evidence and analysis

VerdictIQ AIGenerated from 28 deterministic signals

centralnetro[.]com[.]br is classified as suspicious with a risk score of 64/100: ambiguous posture; signals suggest concern but lack convergent evidence. The recommended downstream action is alert_only.

The risk model observed 28 signals (including 9 core signals) across 4 taxonomy groups (HTTP Crawling, DNS History, Threat Intelligence, and others). The strongest indicators are Flagged by Security Vendors, IP on Blacklist, Listed in Malware Sources, plus 25 additional supporting signals. Each signal carries its own trigger evidence and direction; signal fusion drives the calibrated tier assignment.

Recommended response. Surface to analyst review or SIEM correlation. Evidence is strong enough to warrant attention but not strong enough to block without context. For active investigation, run POST /verdict with the indicator to confirm the verdict against the current state of the domain. VerdictIQ's scoring recomputes today's signals on every call.

VerdictIQ AI re-states deterministic signal evidence as natural language. The verdict itself comes from the calibrated risk model, not the AI layer. Re-runs are stable and explainable.

Signal evidence

Top 10 of 28Showing all 28
  • Flagged by Security VendorscoreThreat IntelligenceIt means that one or more commercial security vendors, including antivirus engines, sandboxes, or threat intelligence providers, have classified or reported the domain as malicious.
  • IP on BlacklistcoreThreat IntelligenceIt means the IP address appears in at least one threat intelligence blacklist, indicating it has been associated with suspicious or malicious activity such as spam, scanning or malware hosting.
  • Listed in Malware SourcescoreThreat IntelligenceIt means that the domain has appeared in public or open-source malware intelligence feeds.
  • Critical SSL CA IssuecoreHTTP CrawlingIt means that the SSL/TLS certificate presented by the domain failed critical validation checks.
  • Non-Public DomainHTTP CrawlingIt refers to a domain that operates with restricted accessibility, its HTTP/HTTPS services are either protected, limited to specific users, or intentionally unreachable from the public internet.
  • Short-Term SSL Certificate ValidityHTTP CrawlingIt means the SSL/TLS certificate of the domain has an unusually short validity period, often lasting only days or weeks.
  • Limited Web Structure DetectedHTTP CrawlingIt means the domain hosts only a few subpages or internal links.
  • IP Blacklisted Recently (High Freshness)Threat IntelligenceIt means the IP has appeared in one or more threat intelligence blacklist datasets, indicating that it has been associated with abusive or malicious activity such as spam, scanning, botnet traffic…
  • Free-Issued SSL CertificateHTTP CrawlingIt indicates that the domain uses an SSL certificate issued by a free or automated Certificate Authority, such as Let's Encrypt.
  • Newly-Issued SSL CertificateHTTP CrawlingIt indicates that the SSL certificate associated with the domain has been newly created or issued.
  • Newly-Activated DomainDNS HistoryIt indicates that the domain has recently become active and started responding to DNS queries after a period of inactivity or recent registration.
  • Multi Group Blacklist MatchThreat IntelligenceIt means the IP matches several independent blacklist groups simultaneously, such as spam, malware hosting, scanning, botnet traffic, or brute-force sources.
  • Weak Popularity DomainPopularity & BacklinkIt represents a domain with limited but detectable user traffic or DNS activity.
  • Recently Isolated DomainPopularity & BacklinkA domain whose harmonic centrality places it in the deep tail (very few distinct sources link to it) while PageRank is also in the mid-to-tail range.
  • Long-Running IPcoreDNS HistoryThese refer to domains that have consistently resolved through DNS over a long period.
  • Owned MX UsagecoreDNS HistoryIt means the domain operates its own mail exchange (MX) servers instead of relying on trusted third-party providers like Google Workspace, Microsoft 365, or Proofpoint.
  • Large-Scale Enterprise IP BlockcoreDNS HistoryIt indicates that the IP address belongs to a large-scale, long-established, and officially allocated enterprise network.
  • SSL DV ValidationcoreHTTP CrawlingIt indicates that the SSL/TLS certificate’s Common Name (CN) or Subject Alternative Name (SAN) correctly matches the accessed hostname.
  • Many FQDNs Sharing IPcoreDNS HistoryIt means the domain operates with a large number of well-organized and active subdomains.
  • Strict-Policy RIR RegionDNS HistoryIt indicates that the ASN is allocated by a regional internet registry known for strict allocation controls and strong abuse-handling processes, providing supportive safe context for the…
  • Major Cloud or CDN InfrastructureDNS HistoryIt indicates that the ASN belongs to a clearly identified regulated network category such as major cloud/CDN providers, government infrastructure, or academic and research networks.
  • Stable MX Usage Long TermDNS HistoryIt shows the domain has been using the same mail exchange servers for an extended period, reflecting stable and predictable email infrastructure.
  • Stable NS Usage Long TermDNS HistoryIt shows that the domain has maintained the same nameserver configuration without fluctuations, suggesting predictable and well-managed DNS infrastructure.
  • Centralized IP-Subdomain Infrastructure DetectedDNS HistoryIt indicates that multiple subdomains of the same domain are actively served through a shared IP address over a long period.
  • ASN Allocated Long Time AgoDNS HistoryIt means that the ASN was allocated many years ago and has a long operational history.
  • Observed and Registered Geolocation ConsistencyDNS HistoryIt indicates that the observed geolocation of the IP matches its registered geolocation, suggesting a stable and expected geographic placement for the infrastructure at the time of observation.
  • Single DC Hub FootprintDNS HistoryIt indicates that the IP address belongs to data center or hosting infrastructure and describes the current geographic footprint of that infrastructure based on observed IP locations.
  • Current and Historical Geolocation AlignmentDNS HistoryIt indicates that the geolocation of the domain’s currently active IP addresses is consistent with the geolocations observed in its historical IP usage, suggesting continuity in infrastructure…

Read the full scoring methodology at /product/ioc-verdict or the canonical signal taxonomy at /signal-library.

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