Bulk Domain Checker
Tool Guide & Documentation
About This Tool
Verify WHOIS availability and check SEO metrics for lists of domains in bulk. Paste your domain lists to perform bulk check availability and verify SEO parameters instantly.
Ideal for domainers, developers, and agencies who need to verify the availability of large domain portfolios quickly.
Save time and automate your domain checking process with our fast local checker.
Key Features
- Verify availability for hundreds of domains simultaneously
- Check TLD variants (.com, .net, .org, .io, .ai)
- Extract WHOIS registry data instantly
- Export bulk checker tables as CSV or JSON
- Filter results by availability or extension type
- Safe, rate-limited checks to prevent upstream API blocking
- Clean, tabbed user interface for easy navigation
- Local storage support to prevent loss of results
How To Use
Verify WHOIS availability and check SEO metrics for lists of domains in bulk.
Frequently Asked Questions
Is there a limit on bulk checks?
No, but very large lists are checked in batches to respect upstream API rate limits.
What TLDs are supported?
All major generic TLDs (.com, .net, .org) and popular country-code or niche TLDs (.io, .ai, .co).
Can I export my results?
Yes, you can export all checked domains as CSV or JSON.
Are these checks anonymous?
Yes. The WHOIS lookups are executed through proxy queries, so the domains are not tracked or registered by third parties.