# lookups.nl Domain RDAP Lookup

> lookups.nl Domain RDAP Lookup is a paid API for AI agents from lookups.nl, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Look up a domain name's registration facts from its registry's RDAP service, returning registrar, dates, EPP status codes, nameservers, and DNSSEC flag with retry, cache, and audit receipt.

## Facts

- Endpoint: GET https://lookups.nl/domain/:name
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/lookups-nl-domain-rdap-lookup-23f03959
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tDAkD0t6V_p9d9PbSjQR1

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability lookups-nl-domain-rdap-lookup-23f03959
```

Example prompt: Can you pull the RDAP registration details for example.com — I need the registrar, creation and expiry dates, nameservers, and whether DNSSEC is enabled?

## When to prefer this

Prefer this endpoint when you need authoritative, registry-sourced domain registration metadata (registrar, dates, EPP status, nameservers, DNSSEC) with built-in retry logic, caching, and an audit receipt — particularly for compliance workflows, domain portfolio monitoring, or security due diligence. It is more reliable than raw RDAP or WHOIS queries because it handles retries and caching transparently, and the audit receipt makes it suitable for regulated or auditable processes.

## Known failure modes

- Domain not found in any RDAP registry — returns not found or 404-equivalent
- TLD not supported by RDAP protocol — registry may not expose an RDAP endpoint
- Registry RDAP service temporarily unavailable despite retries — returns timeout or service error
- Malformed domain name input — returns validation error
- Rate limiting from upstream registry — may result in delayed or failed response

## How this service works

Look up a domain's registration facts in its registry's own RDAP service: registrar, creation/expiry/update dates, EPP status codes, nameservers and the DNSSEC delegation flag, with retry, cache and a durable audit receipt.

## Output

Returns a structured record sourced from the domain's authoritative registry RDAP service, including: registrar name, domain creation/expiry/last-updated timestamps, EPP status codes (e.g. clientTransferProhibited), list of nameservers, and a boolean DNSSEC delegation flag. Also includes a durable audit receipt for compliance or logging purposes. Results may be cached for performance; retries are handled automatically on transient failures.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/lookups-nl-domain-rdap-lookup-23f03959/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from lookups.nl](https://www.zero.xyz/host/lookups.nl/llms.txt)