Threat Investigation

combase.io

Caution Low Traffic Tranco #1,445,116

combase.io presents itself as a educational platform, focusing on phishing simulation training. This domain is operated by Proofpoint to host simulated phishing campaigns. It serves as an educational landing page to inform employees they have participated in a security training exercise. It claims to be operated by Proofpoint, Inc., a subsidiary of Proofpoint, Inc..

cybersecurity trainingphishing simulationsecurity awarenessemployee education
Network Infrastructure

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Community Intelligence

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GET /api/v1/classify?domain=combase.io
{
  "domain": "combase.io",
  "confidence": "high",
  "category": {
    "purpose": "educational",
    "specialization": "Phishing Simulation Training"
  },
  "identity": {
    "headline": "Phishing simulation domain for Proofpoint Security Awareness Training",
    "summary": "This domain is operated by Proofpoint to host simulated phishing campaigns. It serves as an educational landing page to inform employees they have participated in a security training exercise.",
    "operator": "Proofpoint, Inc.",
    "parent_entity": "Proofpoint, Inc.",
    "topics": [
      "cybersecurity training",
      "phishing simulation",
      "security awareness",
      "employee education"
    ]
  },
  "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": "2017-12-18T15:29:36Z",
    "rank": 1445116,
    "hosting_provider": "AMAZON-02 - Amazon.com, Inc."
  }
}

Hosting

AMAZON-02 - Amazon.com, Inc.

Registered

Dec 18, 2017

Last Updated

Feb 12, 2026

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