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DomainDNA

Official registry Productivity

Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day.

Source code 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 domaindna 'https://domaindna-api.cybermaxtools.com/mcp?via=mcp-registry' --header 'x-api-key: <Optional paid-plan key from domaindna-api.cybermaxtools.com; leave out for 25 free domains a day.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "domaindna": {
            "type": "http",
            "url": "https://domaindna-api.cybermaxtools.com/mcp?via=mcp-registry",
            "headers": {
                "x-api-key": "<Optional paid-plan key from domaindna-api.cybermaxtools.com; leave out for 25 free domains a day.>"
            }
        }
    }
}

Frequently asked questions

What is DomainDNA?

Tech stack, email security (SPF, DMARC, MX provider) and domain age API + MCP. 25 free domains/day.

How do I install DomainDNA?

It runs as a remote server. In Claude Code: claude mcp add --transport http domaindna 'https://domaindna-api.cybermaxtools.com/mcp?via=mcp-registry' --header 'x-api-key: <Optional paid-plan key from domaindna-api.cybermaxtools.com; leave out for 25 free domains a day.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does DomainDNA need an API key?

Yes. It expects x-api-key, which you set in its configuration.

Who maintains DomainDNA?

It is published by dev.workers.cybermax-tools.cybermax. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.