# Services from domainref.dev on Zero

> domainref.dev serves 2 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/domainref.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/domainref.dev/health.json

## Services

- [DomainRef - Domain and Email Security Check](https://www.zero.xyz/c/domainref-domain-and-email-security-check-5db3e89d/llms.txt): $0.01/call via x402. Returns a graded security report for a domain covering SPF, DKIM, DMARC, MX, MTA-STS, DNSSEC, CAA, TLS, domain age, BIMI, and blocklist status with exact fix records.
- [DomainRef - Domain Age Lookup](https://www.zero.xyz/c/domainref-domain-age-lookup-72227ad5/llms.txt): $0.005/call via x402. Returns the registration age and registrar details for a given domain as part of email/domain security grading

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)