34,775 servers. Updated 2026-10-21 10:26

"Spring Security" matching MCP connectors:

Domain Health A
com.modernmustardseed
Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.
Email Networking & Infrastructure Security
51
AstraVerify Domain Trust Check A
com.astraverify
Email security and AI discoverability scores for any domain, with the exact record or tag to fix.
Email Marketing Security
51
Fallax AOAuth
io.fallax
Fallax is a phishing simulation and security awareness training platform. Read your results.
Email Legal & Compliance Security
121
DomainRef - domain and email security check A
dev.domainref
Pay-per-call domain and email security check: SPF, DKIM, DMARC, TLS, DNSSEC, BIMI, with exact fixes.
Security Email Networking & Infrastructure
21
BlackVeil DNS & Email Security Scanner A
com.blackveilsecurity
DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
Networking & Infrastructure Security Email
8129
Mail Security Tools A
com.mailsecuritytools.api
DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).
Email Security Networking & Infrastructure
71
VerifyPulse Email Verification & DNS Security A
io.github.MohDev212
Real-time RFC 5322 email verification, SPF/DMARC DNS audits & B2B leads (x402 Base USDC).
Email Security Networking & Infrastructure
61
Email DNS Preflight x402 A
io.github.rosarioV25
Paid email, DNS, mail-security and RDAP intelligence for agents over x402.
Email Networking & Infrastructure Security
41