About 3rd Party Tracer

3rd Party Tracer is an advanced third-party service discovery tool designed to analyze DNS records and identify third-party services associated with any domain. Built with pure HTML, JavaScript, and CSS, it provides comprehensive insights into an organization's digital footprint and cloud service dependencies. The tool leverages multiple data sources and advanced DNS analysis techniques to discover and categorize third-party services, helping organizations understand their cloud service relationships and potential security implications.

Key Features

• Comprehensive DNS Analysis: DoH queries, multiple record types, Certificate Transparency logs
• Service Detection: Cloud providers, email services, CDN, DNS services, security providers
• Security Analysis: Subdomain takeover detection, DMARC policy analysis, risk assessment
• Rich Visualization: Categorized services, historical records, CNAME mapping, statistics
• Client-Side Only: No server dependencies, works offline, privacy-focused
• Real-Time Analysis: Live DNS queries and subdomain discovery

Technology Stack

• Frontend: HTML5, CSS3, Vanilla JavaScript
• DNS: DNS over HTTPS (DoH) APIs
• Certificate Transparency, Threat Intelligence
• Architecture: Client-side only, no server dependencies

Use Cases

• Security Research: Identify potential attack vectors and service dependencies
• Asset Discovery: Map organizational digital footprint and cloud services
• Compliance Auditing: Document third-party service usage for regulatory requirements
• Penetration Testing: Reconnaissance phase for security assessments
• Cloud Migration Planning: Understand current service dependencies before migration
• Vendor Risk Assessment: Identify and evaluate third-party service providers

Open Source

This project is open source and licensed under the MIT License. Contributions from the security research community are welcome to enhance the tool's capabilities.