domain-scan

CLI tool to check domain availability across 40+ TLDs at once — querying WHOIS and DNS directly, without going through provider search pages.

Why?

Domain providers like GoDaddy and Hostinger are known for domain front-running: when you search for a domain on their site, they may reserve it before you buy, forcing you to pay a higher price. This tool queries WHOIS/DNS servers directly, so no provider knows what you're looking for.

Features

• Checks 40+ TLDs in parallel (.com, .net, .io, .ai, .dev, .com.br, .co.uk, etc.)
• Direct WHOIS/DNS queries — no provider middleman
• WHOIS lookup (provider, expiry, creation date, owner, status)
• DNS records (A, AAAA, CNAME, NS, MX, TXT)
• SSL certificate info (issuer, expiry, SANs)
• HTTP status and server detection
• IP geolocation and hosting provider
• Markdown report generation
• Color-coded terminal output with expiry warnings

Usage

With npx (no install needed)

npx domain-scan myproject

Global install

npm install -g domain-scan
domain-scan myproject

From source

git clone https://github.com/henrique-leme/domain-scan.git
cd domain-checker
npm install
node index.js myproject

Examples

# Quick scan — availability, expiry, and owner
domain-scan myproject

# Deep scan — full WHOIS, DNS, SSL, HTTP, and hosting details
domain-scan myproject --deep

# Save a detailed Markdown report
domain-scan myproject --md

# Check only specific TLDs
domain-scan myproject --only=com
domain-scan myproject --only=com,com.br,io

# Combine flags
domain-scan myproject --deep --md

# Pass a URL — it extracts the name automatically
domain-scan https://www.google.com

Options

| Flag | Description | |------|-------------| | --only=<ext> | Check specific TLDs (comma-separated, e.g. --only=com,io,com.br) | | --deep | Show full details (WHOIS, DNS, SSL, HTTP, hosting) | | --md | Save a detailed Markdown report to ./output_domain_checker/ | | --help | Show help message |

The tool will:

1. Scan all TLDs in parallel
2. Show a color-coded summary (availability, expiry date, owner)
3. With --deep: print full details for registered domains
4. With --md: save a Markdown report to ./output_domain_checker/

Report Output

When using --md, the generated report includes:

• Summary table with status, expiry, provider, and hosting
• List of available domains
• Detailed breakdown per registered domain (WHOIS, DNS, SSL, HTTP, hosting)

Contributing

Contributions are welcome! Feel free to open an issue or submit a pull request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/my-feature)
3. Commit your changes (git commit -m 'Add my feature')
4. Push to the branch (git push origin feature/my-feature)
5. Open a Pull Request

License

MIT - Henrique Leme