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)
• 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

1. Set your API key:

export DNSDUMPSTER_API_KEY=your_api_key_here

2. 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"

Development

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

License

MIT