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. 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.
  2. DeriveAI x402 APIs @deriveit33z-ship-it/x402-apis25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)15% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. MAILTYPE — Email Domain Capability Intelligence @gsterlingpress/mailtypeEmail-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  4. Palisade @palisade/palisadeMonitor and manage email authentication (SPF, DKIM, DMARC, MTA-STS, BIMI) for your domains.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  5. 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.
  6. Domain Check @tradeuniquecapital/domain-checkFree SPF, DKIM, DMARC, MX deliverability check with graded shareable reports, plus referral terms10% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  7. HackMyIP — no-key IP intelligence @0xvibly/hackmyip-mcpFree no-key IP intelligence: geolocation, VPN detection, DNS, WHOIS, blacklists, breach checks15% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  8. DMARC Examiner MCP @dmarc-examiner/mcpRead your own DMARC aggregate and forensic reports: sources, alignment, alerts, CSV export.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  9. LayerCall @layercall/trust-apiScore an IP, email, phone, domain or device for fraud in one call, with the signals behind it.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. iDig DNS @softricks/idig-dnsProfessional DNS diagnostics: 14 tools for DNS, DNSSEC, email security, SSL, and propagation.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  15. 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.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. 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.
  21. Disify @pipeworx-io/disifyDisify MCP — wraps the Disify API (anonymous tier + BYO key)7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  22. Domain Intel @lazymac2x/domain-intelCloudflare Workers MCP server: domain-intel6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  23. Email Validator @lazymac2x/email-validatorCloudflare Workers MCP server: email-validator3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  24. Agent Tools @wingedguardian/agent-tools9 utility tools for agents: DNS, WHOIS, email, IP, URL, headers, QR, text, tech. x402 on Base.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.