# Services from dnsdoctor.dev on Zero

> dnsdoctor.dev serves 3 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/dnsdoctor.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/dnsdoctor.dev/health.json

## Services

- [DNS Doctor – DNS Propagation Watcher](https://www.zero.xyz/c/dns-doctor-dns-propagation-watcher-3ded35b5/llms.txt): $0.004167/call via x402. Start a propagation watch job that monitors when a specific DNS record reaches its expected value globally, returning a poll URL to track completion.
- [DNS Doctor Watch Ping](https://www.zero.xyz/c/dns-doctor-watch-ping-441a983f/llms.txt): $0.004167/call via x402. Starts a recurring DNS monitoring watch job for a URL, polling at configurable intervals to track DNS health changes over time.
- [DNS Doctor Bulk Domain Scan](https://www.zero.xyz/c/dns-doctor-bulk-domain-scan-543877ef/llms.txt): $0.01/call via x402. Scans multiple domains at once for DNS health, email authentication records (SPF, DMARC, DKIM), global propagation status, and expiry issues, returning deterministic fix recommendations.

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)