ZoneMatch: Domain Availability Across All TLDs

Instantly check whether a domain is registered across every major TLD using daily-refreshed CZDS zone-file data covering 300+ million domains. See which extensions are taken and which are still available across .com, .net, .org, .io, .ai, .co, .xyz, and 200+ more.

What you can do

  • 240M pre-computed SLD-to-TLD lookups for instant results
  • Daily zone-file refresh from official CZDS feeds
  • Coverage for 200+ TLDs
  • Identify TLD spread (popularity signal for valuation)
  • Find available alternatives when first-choice TLD is taken

Frequently asked questions

What is ZoneMatch?

ZoneMatch checks if a domain name is registered across every TLD using CZDS zone file data covering 300+ million domains. See which TLDs are taken and find available alternatives.

How accurate is ZoneMatch?

ZoneMatch uses official CZDS zone file data updated daily, covering .com, .net, .org, .io, .ai, .co and hundreds more TLDs.