: Typically delivered as MySQL or CSV files, these are best for local hosting and complex analysis.

: Provides comprehensive domain ownership information, including contact data for the registrant and administrative/technical personnel.

Choose a format that aligns with your technical infrastructure for easy integration.

: Ideal for real-time lookups without maintaining a massive local database. Options include standard WHOIS API for single queries or Bulk WHOIS API for processing thousands of domains at once.