You can access the Domain Checker: DNS, SSL and Registration programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = { "domains": [
9        "example.com",
10        "wikipedia.org",
11    ] }
12
13# Run the Actor and wait for it to finish
14run = client.actor("geotectonic_technology/domain-check").call(run_input=run_input)
15
16# Fetch and print Actor results from the run's dataset (if there are any)
17print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
18for item in client.dataset(run.default_dataset_id).iterate_items():
19    print(item)
20
21# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Domain Checker: DNS, SSL and Registration API in Python

The Apify API client for Python is the official library that allows you to use Domain Checker: DNS, SSL and Registration API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Domain Checker: DNS, SSL and Registration API in JavaScript

Domain Checker: DNS, SSL and Registration API through CLI

Domain Checker: DNS, SSL and Registration OpenAPI definition

Domain Checker: DNS, SSL and Registration API

WHOIS Domain Lookup — Registrar, Age, Expiry & DNS (Bulk)

ntriqpro/whois-domain-lookup

Look up WHOIS records for hundreds of domains in a single run: registrar, creation and expiry dates, domain age, days until expiry, nameservers, DNSSEC and status codes. Public registry data for every major TLD (.com, .org, .io, .co.uk and more) — no API keys, structured JSON/CSV output.

Daniel Carter

107

Domain Trust Monitor

mfapitools/domain-trust-monitor

Monitor WHOIS/RDAP, SSL certificates (crt.sh), and DNS records for domains. Detects changes (registrar change, DNS hijacking, SSL expiry) and alerts via webhook. Pay-per-event, no rental.

Mariano Ferreras

Bulk WHOIS, DNS & SSL Lookup — Domain Intelligence API

fetchbase/domain-dns-intelligence

Full domain intelligence in one call: all DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA), registration via RDAP/WHOIS (registrar, creation/expiry dates, status, DNSSEC), and live SSL certificate details. Flags unregistered domains. Charged per domain — no startup fee.

Fetchbase

Domain WHOIS, DNS and SSL Expiry Lookup (RDAP)

pistachio_implementation/domain-whois-dns-ssl-lookup

Bulk domain lookup from official sources. Registrar, creation date, age and expiry date via RDAP, the modern WHOIS; A, MX, NS, TXT, SPF and DMARC records; and the SSL certificate issuer and days to expiry. $1.50 per 1,000 domains.

Hay Equipos

Domain Inspector — WHOIS/RDAP, DNS & SSL

hipersoft/domain-inspector

Inspect any list of domains: registrar, registration/expiry dates and status via RDAP; DNS records (A, AAAA, MX, NS, TXT, CNAME); and SSL certificate issuer and expiry. Bulk-ready, no setup. Great for domain portfolios, security audits and lead research.

Hipersoft

Domain Ownership Checker

trovevault/domain-ownership-checker

Check registration dates, expiry, registrar, and availability status for any number of domains at once, without the one-at-a-time limitation of manual lookups. Uses RDAP (the modern replacement for WHOIS) to pull live data directly from domain registries. No API keys. No proxies. Results in seconds.

Trove Vault

Domain Intelligence MCP — DNS, WHOIS & SSL for AI Agents

nexgendata/domain-intelligence-mcp-server

MCP server exposing DNS, WHOIS, IP geolocation and SSL checks as agent tools. Connect Claude, Cursor, n8n or the OpenAI Agents SDK to live domain data.

NexGenData

Domain Intel 🌐 — WHOIS, DNS & SSL Lookup (Batch)

perryay/domain-intel

Enterprise domain intelligence tool with batch support. Performs WHOIS lookups, DNS record enumeration (A, AAAA, MX, NS, TXT, CNAME, SOA), and SSL certificate chain validation. Query up to 20 domains in a single run.

Perry AY

Domain Checker: RDAP, DNS, SPF/DMARC & SSL

southern-data/domain-intel

Check domains in bulk: registrar and expiry (RDAP), DNS, email provider with SPF/DKIM/DMARC grade, SSL certificate and website status, plus clear risk flags. Pay per check.