WHOIS Lookup API Documentation

Example Request

curl "https://domscan.net/v1/whois?domain=github.com"

const response = await fetch(
  "https://domscan.net/v1/whois?domain=github.com"
);
const data = await response.json();

console.log(`Registrar: ${data.registrar}`);
console.log(`Created: ${data.created_date}`);
console.log(`Expires: ${data.expiry_date}`);
console.log(`Nameservers: ${data.nameservers.join(', ')}`);

// Check for privacy protection
if (data.privacy.is_private) {
  console.log(`Privacy service: ${data.privacy.privacy_service}`);
}

import requests
from datetime import datetime

response = requests.get(
    "https://domscan.net/v1/whois",
    params={"domain": "github.com"}
)
data = response.json()

# Calculate days until expiration
expiry = datetime.fromisoformat(data['expiry_date'].replace('Z', '+00:00'))
days_left = (expiry - datetime.now(expiry.tzinfo)).days

print(f"Registrar: {data['registrar']}")
print(f"Expires in {days_left} days")
print(f"Privacy protected: {data['privacy']['is_private']}")

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
)

func main() {
    resp, _ := http.Get("https://domscan.net/v1/whois?domain=github.com")
    defer resp.Body.Close()

    var data map[string]interface{}
    json.NewDecoder(resp.Body).Decode(&data)

    fmt.Printf("Registrar: %s\n", data["registrar"])
    fmt.Printf("Created: %s\n", data["created_date"])
    fmt.Printf("Expires: %s\n", data["expiry_date"])
}

require 'net/http'
require 'json'
require 'date'

uri = URI("https://domscan.net/v1/whois?domain=github.com")
response = Net::HTTP.get_response(uri)
data = JSON.parse(response.body)

expiry = DateTime.parse(data['expiry_date'])
days_left = (expiry - DateTime.now).to_i

puts "Registrar: #{data['registrar']}"
puts "Expires in #{days_left} days"

Example Response

{
                "domain": "example.com",
                "registered": true,
                "registrar": "RESERVED-Internet Assigned Numbers Authority",
                "registrar_url": "https://www.iana.org",
                "registrar_iana_id": "376",
                "created_date": "1995-08-14T04:00:00Z",
                "updated_date": "2023-08-14T07:01:38Z",
                "expiry_date": "2024-08-13T04:00:00Z",
                "status": ["clientDeleteProhibited", "serverUpdateProhibited"],
                "nameservers": ["a.iana-servers.net", "b.iana-servers.net"],
                "dnssec": true,
                "contacts": {
                "registrant": {
                "name": "REDACTED FOR PRIVACY",
                "organization": "Internet Assigned Numbers Authority",
                "email": null,
                "phone": null,
                "address": {
                "country": "US"
                },
                "role": "registrant"
                },
                "admin": { "name": "Domain Administrator", "email": "admin@example.org" },
                "tech": { "name": "Technical Contact", "email": "tech@example.org" },
                "billing": null
                },
                "privacy": {
                "is_private": false,
                "privacy_service": null,
                "detected_patterns": []
                },
                "summary": {
                "has_registrant": true,
                "has_admin": true,
                "has_tech": true,
                "has_billing": false,
                "contact_count": 3,
                "is_privacy_protected": false
                },
                "raw_rdap_link": "https://rdap.verisign.com/com/v1/domain/example.com",
                "checked_at": "2025-01-07T10:30:00Z",
                "query_time_ms": 145
                }

Bulk WHOIS lookup for multiple domains (max 20 per request).

Request Body

{
                "domains": ["example.com", "google.com", "github.com"]
                }