Note that DNS zone files don't include all registered domains, only ones that have DNS records. Depending on domain extension, a significant number of desirable

Note that DNS zone files don't include all registered domains, only ones that have DNS records. Depending on domain extension, a significant number of desirable short words are registered but not in the zone file, or held by the registry for a higher price. Also, you can't get complete zone files for ccTLDs. This is part of the reason why domain search is often slow even on popular sites like GoDaddy or Namecheap. They want to give you very accurate results, which takes longer. Source: I'm fighting this accuracy problem all the time for the search at https://domain.garden https://domain.garden