Unlike most legacy WHOIS API services, we parse, reconcile and normalize thin and thick WHOIS and RDAP results to provide harmonized and comprehensive results.

The Domain Registration API always returns live registration data.


  "timestamp": "2023-11-19T22:22:40Z",
  "domain": "cellphoneplans.today",
  "registrant": {
    "name": "Registration Private",
    "organization": "Domains By Proxy, LLC",
    "address": "DomainsByProxy.com 2155 E Warner Rd, Tempe, Arizona, 85284",
    "country": "US",
    "phone": "+14806242599"
  "registrar": {
    "id": 146,
    "name": "GoDaddy.com, LLC",
    "country": "US"
  "registry": { "name": "Binky Moon, LLC" },
  "nameservers": ["ns1.domainactive.org", "ns2.domainactive.org"],
  "status": {
    "server": {
      "add_period": true
    "client": {
      "delete_prohibited": true,
      "renew_prohibited": true,
      "transfer_prohibited": true,
      "update_prohibited": true
  "updated_at": "2023-11-19T22:22:41Z",
  "expires_at": "2024-11-19T22:22:40Z"

timestamp represents the registration time of the domain (as listed in WHOIS/RDAP).


€299/month — 100,000 queries/month
€999/month — 500,000 queries/month
€1,499/month — 1,000,000 queries/month
€4,999/month — 10,000,000 queries/month

Talk to us at contact@dns0.eu to set up the subscription and get your API key.

Threat intelligence partners get free or discounted access to the Domain Registration API.


Authenticate by passing your API key as Bearer token in the Authorization header, or by passing your API key as a key parameter in the query string.

The Domain Registration API is available without authentication for testing purposes (up to 10 API calls per day).



Reporting issues

Please report faulty or missing registration data to contact@dns0.eu.