DNSDumpelter - MCP Server: Hidden Subdomain Discovery & DNS Mapping

DNSDumpster - MCP Server: Uncover hidden subdomains, map DNS records, and fortify network security effortlessly – the pro’s go-to for actionable threat intelligence.

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About DNSDumpelter - MCP Server

What is DNSDumpelter - MCP Server: Hidden Subdomain Discovery & DNS Mapping?

Designed for cybersecurity professionals and researchers, DNSDumpelter is an MCP (Model Context Protocol) server that bridges AI assistants with the DNSDumpster API. This integration enables users to execute advanced DNS reconnaissance tasks using natural language commands. By leveraging AI-driven workflows, it simplifies the process of uncovering hidden subdomains, mapping network infrastructure, and analyzing critical DNS configurations.

Key Features of DNSDumpelter - MCP Server

At its core, the server provides granular control over DNS data retrieval through these capabilities:

Comprehensive DNS Record Analysis: Extract detailed records including A, CNAME, MX, TXT, and NS entries, complete with associated IP addresses and ASN metadata
Domain Mapping Visualization: Generates graphical representations of complex domain structures (requires Plus account)
Intelligent Pagination Support: Handles large datasets efficiently for extended reconnaissance
Rate Limiting & Caching: Prevents API overuse while maintaining query performance
Seamless AI Integration: Empowers conversational queries like "Map Facebook's DNS architecture"

DNSDumpelter - MCP Server Features

How to Use DNSDumpelter - MCP Server

Implementation follows three core steps:

Installation:
Use pip for quick deployment: pip install mcp-dnsdumpster
Or clone the repository for development: git clone https://github.com/yourusername/mcp-dnsdumpelter.git
Configuration:
Set environment variables and configure your AI platform (e.g., Claude Desktop) with the provided JSON snippet specifying API credentials and server parameters
Execution:
Launch the server via uvx mcp-dnsdumpelter and interact using natural language prompts like "Identify all subdomains of target.com"

Use Cases of DNSDumpelter - MCP Server

Security teams leverage this tool for:

Vulnerability Assessment: Discover exposed subdomains that may represent attack surfaces
Incident Response: Rapidly map DNS configurations during breach investigations
Compliance Audits: Verify DNS record compliance with organizational policies
Competitive Intelligence: Analyze competitor infrastructure through合法公开的DNS data

DNSDumpelter - MCP Server FAQ

FAQ from DNSDumpelter - MCP Server

Do I need an API key?: Yes, a DNSDumpster API key is required for authenticated requests. Sign up at dnsdumpster.com
What AI platforms are supported?: Current implementation focuses on Claude Desktop, but the MCP protocol allows extension to other LLM platforms
Can it detect subdomains not listed in WHOIS?: Yes, leverages passive DNS collection techniques to reveal hidden or unregistered subdomains
How are results presented?: Returns structured JSON data by default, with optional visualization for domain maps

Content

DNSDumpster - MCP Server

A Model Context Protocol (MCP) server for interacting with the DNSDumpster API, enabling AI assistants to perform detailed DNS reconnaissance through natural language requests.

Features

Query domain DNS records through AI assistants
Retrieve detailed information about:
- A records (with associated IP and ASN information)
- CNAME records
- MX records
- TXT records
- NS records
- Banner information where available
Support for pagination (Plus accounts)
Support for domain map generation (Plus accounts)
Rate limiting and caching

Installation

# Install from PyPI
uv pip install mcp-dnsdumpster

# Or from source
git clone https://github.com/yourusername/mcp-dnsdumpster.git
cd mcp-dnsdumpster
uv pip install -e .

Claude Desktop Configuration

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS or %AppData%\Claude\claude_desktop_config.json on Windows):

{
  "mcpServers": {
    "dnsdumpster": {
      "command": "uvx",
      "args": ["mcp-dnsdumpster"],
      "env": {
        "DNSDUMPSTER_API_KEY": "your_api_key_here"
      }
    }
  }
}

Usage

Set your API key:

export DNSDUMPSTER_API_KEY=your_api_key_here

Run the server:

# Using uvx (recommended)
uvx mcp-dnsdumpster

# Or if installed from source
uv run server.py

Example Prompts

"Show me all subdomains for example.com"
"What are the mail servers for microsoft.com?"
"Tell me about the DNS infrastructure for twitter.com"
"Generate a visual map of Facebook's domain structure"

Development

Python 3.10+
Uses uv for dependency management
Built with MCP SDK 1.4+

License

MIT

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