Batch domain availability checker via whois.com with Playwright browser automation. Handles anti-bot/CAPTCHA challenges by bringing browser to foreground for manual verification. Supports any TLD. Use when (1) checking if domains are available for registration, (2) batch-checking multiple domain candidates, (3) verifying domain availability before purchase, or (4) exporting domain check results to JSON.
Batch-check domain availability via whois.com with anti-bot/CAPTCHA assist.
# Setup (first time)
cd $SKILL_DIR && npm run setup
# Check domains from command line
node run.js scripts/domain-check.js --domains "example.ai,myapp.io" --nslookup
# Check domains from file
node run.js scripts/domain-check.js --file domains.txt --out results.json --nslookup
File format: one domain per line, # for comments. See examples/domains.txt.
| Option | Description | Default |
|---|---|---|
--domains | Comma-separated domain list | - |
--file | Path to domain list file |
| - |
--out | Output JSON file path | stdout |
--nslookup | Corroborate with DNS lookup | false |
--user-data-dir | Persistent browser profile (reduces CAPTCHA) | - |
--challenge-wait | Max CAPTCHA wait time (ms) | 120000 |
--delay | Delay between checks (ms) | 900 |
headless=false) for CAPTCHA handling.Looks like this domain has not been registered yet -> availableDomain Information / Registrar Information -> registeredNo match for, Domain not found -> available--nslookup: NXDOMAIN suggests unregistered DNS (corroboration only).JSON array with domain, status (available|registered|unknown|error), nslookup.
--user-data-dir ./profile to reduce repeated CAPTCHA challenges.