dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

up checked 2026-11-11T12:37:47.699Z

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Publisher-provided title

x402 Domain Lookup & DNS Email Auth

Publisher-provided description

Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.

Summary by lookupd

Looks up DNS and registration data for domains, runs bulk lookups, and audits SPF, DKIM, and DMARC email authentication records.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http dns-auth-checker https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add dns-auth-checker --url https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "dns-auth-checker": {
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• domain_auth_check Audit a domain's email authentication DNS: SPF (record count, all qualifier, includes, ~DNS lookups vs 10 limit), DMARC (p, sp, pct, rua/ruf, adkim/aspf), DKIM
• domain_lookup Domain lookup: DNS records (A, AAAA, MX, NS, TXT, CNAME, SOA, CAA via Cloudflare DNS-over-HTTPS, DNSSEC AD flag) plus registration data from the registry's RDAP
• domain_lookup_bulk Bulk domain lookup: the same DNS + RDAP registration report as domain_lookup for up to 10 domains in one call (deduplicated). Per-domain errors are returned inl
• health Free health check. Returns service status, price and network.

Details

• Version: 0.3.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1078 ms
• First indexed: 2026-11-01T09:01:59.170Z
• Last seen in registry: 2026-11-03T08:17:24.533Z
• Website: https://x402-dns-auth-checker.microtools-x402.workers.dev/

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• 62033 servers
• Last crawl: 2026-11-11T15:38:39.561Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp