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mcp/harbor
Verified official

DNSai Free DNS Tools MCP

v1.1.0 changelog · 1

com.dnsai/dnsai-free

Free live DNS, SPF/DMARC/MX, DKIM and WHOIS lookups for any domain. No key needed to start.

transport:streamable-http tools:11
Website

Target client

run in your project directory 

claude mcp add --transport http dnsai-free https://mcp.dnsai.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

dns_lookup

dns lookup

email_security_check

email security check

whois_lookup

whois lookup

spf_analyze

spf analyze

dmarc_check

dmarc check

validate

validate

dkim_discover

dkim discover

blacklist_check

blacklist check

search Read-only

search

fetch Read-only

fetch

request_api_key

request api key

All 11 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.