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DNS Spy

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DNS monitoring and domain security: live DNS, propagation, WHOIS/RDAP, SSL and look-alike domains.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http dns-spy 'https://dnsspy.io/mcp' --header 'Authorization: <Bearer <DNS Spy API key>. Not needed if your client signs in with OAuth 2.1.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "dns-spy": {
            "type": "http",
            "url": "https://dnsspy.io/mcp",
            "headers": {
                "Authorization": "<Bearer <DNS Spy API key>. Not needed if your client signs in with OAuth 2.1.>"
            }
        }
    }
}

Frequently asked questions

What is DNS Spy?

DNS monitoring and domain security: live DNS, propagation, WHOIS/RDAP, SSL and look-alike domains.

How do I install DNS Spy?

It runs as a remote server. In Claude Code: claude mcp add --transport http dns-spy 'https://dnsspy.io/mcp' --header 'Authorization: <Bearer <DNS Spy API key>. Not needed if your client signs in with OAuth 2.1.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does DNS Spy need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains DNS Spy?

It is published by io.dnsspy. AI.tn lists it but does not maintain or endorse it.

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