com.dmarcshark/email-dns-checker

down checked 2026-11-09T14:37:38.625Z

Unclaimed · Unverified

Publisher-provided title

DMARC Shark — Email DNS Checker

Publisher-provided description

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

Summary by lookupd

Looks up a domain's public SPF, DMARC, MX and DKIM DNS records on demand, or reads a saved recent result.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http email-dns-checker https://dmarcshark.com/mcp

Codex, remote (streamable-http)

codex mcp add email-dns-checker --url https://dmarcshark.com/mcp

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

{
  "mcpServers": {
    "email-dns-checker": {
      "url": "https://dmarcshark.com/mcp"
    }
  }
}

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

Publisher-provided text

check_domain Runs fresh, bounded public SPF, DMARC, MX and optionally specified DKIM-selector DNS checks. Changes the public saved snapshot. Rate limited. DNS findings do no
get_saved_result Reads the last saved, timestamped public snapshot without making any DNS queries. Results expire after 90 days.

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.dmarcshark/email-dns-checker.svg)](https://lookupd.com/servers/com.dmarcshark/email-dns-checker)