# Services from api.mailsecuritytools.com on Zero

> api.mailsecuritytools.com serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.mailsecuritytools.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.mailsecuritytools.com/health.json

## Services

- [Mail Security Tools Bulk Domain Email Security Scorer](https://www.zero.xyz/c/mail-security-tools-bulk-domain-email-security-scorer-d459dfca/llms.txt): $0.5/call via x402. Scores up to 100 domains at once for email security posture, returning a letter grade, numeric score, and issue list for each domain.
- [Mail Security Tools - Email Security Score](https://www.zero.xyz/c/mail-security-tools-email-security-score-c8e7d1db/llms.txt): $0.01/call via x402. Returns a graded email security score (0-100, A-F) for a domain by live-checking SPF, DMARC, DKIM, and MX DNS records with findings and top 3 remediation suggestions.
- [Mail Security Tools Email Check](https://www.zero.xyz/c/mail-security-tools-email-check-49d349ce/llms.txt): $0.01/call via x402. Checks a single email address for disposable/role-account status and returns a safety verdict
- [Mail Security Tools: Email Security Fix Plan Generator](https://www.zero.xyz/c/mail-security-tools-email-security-fix-plan-generator-97af4148/llms.txt): $1/call via x402. Returns a prioritized email security fix plan for a given domain, identifying DNS record issues and changes needed for SPF, DKIM, DMARC, and related email security configurations.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)