# Services from dns.use.x402atlas.com on Zero

> dns.use.x402atlas.com serves 6 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.use.x402atlas.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/dns.use.x402atlas.com/health.json

## Services

- [DNS A Record Lookup – dns.use.x402atlas.com](https://www.zero.xyz/c/dns-a-record-lookup-dns-use-x402atlas-com-d5ae2307/llms.txt): $0.005/call via x402. Resolves a hostname or domain name to its IPv4 addresses via a DNS A record lookup, returning results as fast JSON.
- [WHOIS Domain Lookup](https://www.zero.xyz/c/whois-domain-lookup-0bf10462/llms.txt): $0.005/call via x402. Returns authoritative WHOIS data for a domain including registrar, nameservers, creation/expiry/updated dates, and status flags.
- [DNS MX Record Lookup](https://www.zero.xyz/c/dns-mx-record-lookup-96b39a5d/llms.txt): $0.005/call via x402. Looks up DNS MX (mail exchange) records for a hostname, returning mail server hosts and their priorities as structured JSON.
- [DNSSEC Health Check](https://www.zero.xyz/c/dnssec-health-check-1212e01b/llms.txt): $0.005/call via x402. Checks whether a domain is DNSSEC-signed (DNSKEY present), has a DS record at the parent zone, and whether the resolver authenticated the answer, returning advisory warnings.
- [RDAP Domain Registration Lookup](https://www.zero.xyz/c/rdap-domain-registration-lookup-9f6c0e5e/llms.txt): $0.005/call via x402. Returns structured domain registration data (registrar, dates, status, nameservers, domain age) for any domain via RDAP, as clean snake_case JSON.
- [DNS TXT Record Lookup (x402atlas)](https://www.zero.xyz/c/dns-txt-record-lookup-x402atlas-b9d80699/llms.txt): $0.005/call via x402. Resolves DNS TXT records for a hostname, returning SPF, DKIM, DMARC, and domain-verification strings as clean JSON.

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)
