Email & DNS security MCP servers

A server here sPF, DKIM, DMARC, DNS security or domain spoofing checks.

Not here: sending email and registering domains.

214servers
139 remote75 localTagged by Odel's AI, which can make mistakes

Best fit

129 made for this, ranked by starsRemoteLocal
  1. Mailprotector @wyre-ai/mailprotector-mcpMCP server for Mailprotector — customers, domains, users, quarantine, allow/block rules for MSPs.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from Docker.
  2. Nel Veil @nelproinc/nel-veilFree passive security scanning - check any domain's DMARC, TLS, headers, and exposures.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  3. Mail7 Email Validation @mail7/email-validationVerify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  4. Checker @oksigenia/checker-mcpDomain security & privacy checker as an MCP server. 17 live checks, 0-100 score, local-first.3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  5. Voyager Net @dir-ai/voyager-netA safe, read-only, authorized audit of one host you own: DNS, ports, TLS, HTTP hygiene.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  6. Outreach Deliverability @closermethod/outreach-deliverability-mcpChannel-safety for cold outreach: volume limits, SPF/DKIM/DMARC, spam-trigger auditing.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  7. Google Workspace Admin Security-Audit MCP @shigechika/gwsadm-mcpMCP server for Google Workspace security auditing — login audit, external sharing, daily brief6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  8. RacterMX @racter-ciso/ractermxManage RacterMX email forwarding — domains, aliases, webhooks, and more — via AI.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  9. NetIntel @kjgueye/netintel-mcpMCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments9% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  10. SiteHealth MCP @carsonroell-debug/sitehealth-mcpFull website health audit — SSL, DNS, DMARC/SPF/DKIM, performance, uptime, links6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  11. Trustsource @surfether/trustsourcex402-paid domain verification for AI agents — trustscore, SSL, security headers, robots.18% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  12. SecurityScorecard @callmarcus/securityscorecard-mcpCommunity-built, comprehensive MCP server for the SecurityScorecard API (unofficial).4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  13. Domainintel @bishop81/domainintel-mcpDomain intelligence for agents: WHOIS, DNS, SSL/TLS, security headers, reputation, subdomains.7% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  14. CyberSPF @cyberspf/mcpAssess a domain, IP or ASN: mail and DNS security, certificates, routing and a report card.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  15. Security Audit @joepangallo/mcp-server-security-auditScan websites for security vulnerabilities, headers, TLS, and email security.8% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.