Threat Investigation

castle.io

Trusted High Traffic Tranco #43,688

castle.io operates primarily as a corporate website, focusing on fraud and bot prevention. Castle is a cybersecurity company that provides automated tools to detect and prevent account abuse, bot attacks, and fraudulent activities. The platform utilizes device fingerprinting, behavioral analysis, and AI-driven risk scoring to protect user accounts from takeover and credential stuffing. It is operated by Castle Intelligence, Inc..

cybersecurityfraud preventionbot detectionaccount takeover
Network Infrastructure

Historical and current IP address mappings for this domain.

Community Intelligence

Real experiences from people who visited this domain

Recent Threat Analysis

URLert analyzed recent scan activity for castle.io

No public scans recorded recently

Be the first to run a threat analysis on this domain.

Developer API

Integrate Domain Intelligence

Access this classification data programmatically via our API.

GET /api/v1/classify?domain=castle.io
{
  "domain": "castle.io",
  "confidence": "high",
  "category": {
    "purpose": "corporate_website",
    "specialization": "Fraud and Bot Prevention"
  },
  "identity": {
    "headline": "Real-time fraud and bot detection platform for web and mobile apps",
    "summary": "Castle is a cybersecurity company that provides automated tools to detect and prevent account abuse, bot attacks, and fraudulent activities. The platform utilizes device fingerprinting, behavioral analysis, and AI-driven risk scoring to protect user accounts from takeover and credential stuffing.",
    "operator": "Castle Intelligence, Inc.",
    "parent_entity": null,
    "topics": [
      "cybersecurity",
      "fraud prevention",
      "bot detection",
      "account takeover",
      "device fingerprinting",
      "behavioral analytics"
    ]
  },
  "functions": {
    "is_ugc_platform": false,
    "is_file_host": false,
    "is_url_shortener": false,
    "is_public_idp": false,
    "is_crypto_platform": false,
    "allows_user_subdomains": false,
    "is_form_builder": false,
    "is_document_host": false
  },
  "facts": {
    "registered_date": "2014-12-27T00:30:13Z",
    "rank": 43688,
    "hosting_provider": "AMAZON-02 - Amazon.com, Inc."
  }
}

Hosting

AMAZON-02 - Amazon.com, Inc.

Registered

Dec 27, 2014

Last Updated

Mar 5, 2026

Domain data sourced from WHOIS, Tranco rankings, and URLert's classification engine.