# Services from dns.openverbs.com on Zero

> dns.openverbs.com 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/dns.openverbs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/dns.openverbs.com/health.json

## Services

- [DNS Reverse PTR Lookup](https://www.zero.xyz/c/dns-reverse-ptr-lookup-29adf7cb/llms.txt): $0.006/call via x402. Resolves an IPv4 or IPv6 address to its PTR hostname(s) via reverse DNS lookup
- [OpenVerbs DNS Resolver](https://www.zero.xyz/c/openverbs-dns-resolver-237d2a03/llms.txt): $0.006/call via x402. Resolves DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV) for a given hostname, returning the matching record set or empty if not found.

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)