Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@dnsdumpster Show me DNS records for example.com"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
A Model Context Protocol (MCP) server for interacting with the DNSDumpster API, enabling AI assistants to perform detailed DNS reconnaissance through natural language requests.
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
Related MCP server: Domain-MCP
# 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 .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"
}
}
}
}Set your API key:
export DNSDUMPSTER_API_KEY=your_api_key_hereRun the server:
# Using uvx (recommended)
uvx mcp-dnsdumpster
# Or if installed from source
uv run server.py"Show me all subdomains for example.com"
"What are the mail servers for microsoft.com?"
"Tell me about the DNS infrastructure for twitter.com"
Python 3.10+
Uses uv for dependency management
Built with MCP SDK 1.4+
MIT
Get A records for a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
Formatted string containing A records
Inputs: domain (required).
Get CNAME records for a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
Formatted string containing CNAME records
Inputs: domain (required).
Get MX (mail) records for a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
Formatted string containing MX records
Inputs: domain (required).
Get NS (nameserver) records for a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
Formatted string containing NS records
Inputs: domain (required).
Get TXT records for a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
Formatted string containing TXT records
Inputs: domain (required).
Query DNSDumpster for all DNS records related to a domain.
Args:
domain: The domain name to query (e.g., example.com)
ctx: Request context
Returns:
JSON string containing all DNS records
Inputs: domain (required).
Search for subdomains of a given domain.
Args:
domain: The parent domain name to query (e.g., example.com)
ctx: Request context
page: Page number for pagination (Plus accounts only)
Returns:
Formatted string containing subdomains found
Inputs: domain (required), page.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Scored across 7 tools
Each tool targets a specific and distinct DNS record type or operation (individual records, combined query, subdomain search). No overlap or ambiguity.
Most tools follow the 'get_*_records' pattern, but 'query_domain' and 'search_subdomains' break the pattern. Still, all names are descriptive and predictable.
7 tools is an ideal size for a DNS lookup server—covers essential record types and common operations without being overwhelming.
Covers core DNS records (A, CNAME, MX, NS, TXT) plus subdomains, but lacks some common types like AAAA, SOA, or SRV. Minor gap but main functionality is complete.
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