Whois API

ENDPOINTS
GETLookup Domain Whois
GET/whois

Lookup Domain Whois

Look up domain ownership, registration dates, and DNS information. Returns clean, structured JSON containing registrar details, created/updated/expiration timestamps, name servers, and DNSSEC status.

QUERY PARAMS

The domain name to look up. Supports 1,000+ TLDs including .com, .net, country-code TLDs, and new gTLDs.

Example: github.com

{
  "dns": {
    "name_servers": [
      "dns4.p08.nsone.net",
      "ns-421.awsdns-52.com",
      "dns1.p08.nsone.net",
      "ns-1283.awsdns-32.org",
      "ns-1707.awsdns-21.co.uk",
      "ns-520.awsdns-01.net",
      "dns3.p08.nsone.net",
      "dns2.p08.nsone.net"
    ],
    "dnssec_status": "unsigned",
    "dnssec_enabled": false
  },
  "domain": "github.com",
  "registration": {
    "registrar": "markmonitor, inc.",
    "created_at": "2007-10-09T18:20:50Z",
    "expires_at": "2026-10-09T18:20:50Z",
    "updated_at": "2024-09-07T09:16:33Z",
    "whois_server": "whois.markmonitor.com"
  }
}