Domain Checker - WHOIS & DNS

Check domain availability, WHOIS records, DNS records, and SSL certificates.

Features

• Fast Processing: Lightning-fast domain checker - whois & dns powered by Azure
• Reliable: 99.9% uptime with automatic failover
• Scalable: Handle single requests or bulk operations
• Secure: Enterprise-grade security with API key authentication
• Well Documented: Comprehensive API documentation and examples

Use Cases

• KYC/AML: Verify customer identities
• Onboarding: Automate user verification
• Compliance: Meet regulatory requirements

Input Parameters

Parameter	Type	Required	Description
domain	string	No	Single domain to check (e.g., example.com)
domains	array	No	Array of domains for batch processing
checkWhois	boolean	No	Include WHOIS lookup for registered domains
checkDns	boolean	No	Include DNS record lookup
checkSsl	boolean	No	Include SSL certificate information

Output Format

{
  "success": true,
  "result": { ... },
  "timestamp": "2026-01-07T00:00:00Z"
}

Code Examples

JavaScript (Node.js)

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_API_TOKEN' });

const input = {
  "domain": "example_domain",
  "domains": [],
  "checkWhois": true,
  "checkDns": false,
  "checkSsl": false
};

const run = await client.actor("vivid_astronaut/domain-checker").call(input);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

Python

from apify_client import ApifyClient

client = ApifyClient("YOUR_API_TOKEN")

run_input = {
  "domain": "example_domain",
  "domains": [],
  "checkWhois": true,
  "checkDns": false,
  "checkSsl": false
}

run = client.actor("vivid_astronaut/domain-checker").call(run_input=run_input)

for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)

cURL

curl -X POST "https://api.apify.com/v2/acts/vivid_astronaut~domain-checker/runs?token=YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "domain": "example_domain",
  "domains": [],
  "checkWhois": true,
  "checkDns": false,
  "checkSsl": false
}'

Pricing

Model: Pay per result Price: $0.010 per result

You only pay for successful results. Platform usage costs are included.

API Documentation

Full API documentation is available at:

• Apify API Reference
• Actor API Endpoints

Support

• Issues: Report bugs via Apify Console
• Documentation: Apify Docs
• Community: Apify Discord

Version History

See ./CHANGELOG.md for version history.

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