Public Registries

Domain, DNS, WHOIS, and threat intelligence APIs

Best for: Use it when domain research needs structured enrichment at scale rather than one manual lookup at a time.

U.S. campaign finance and lobbying research database

Best for: Researching U.S. political donations, lobbying records, PACs, industries, candidates, committees, and money-in-politics patterns.

Commercial domain intelligence for WHOIS history and DNS pivots

Best for: Investigating domains, ownership history, DNS relationships, and infrastructure context around suspicious or important web properties.

Document-led investigative research across public datasets

Best for: Document-heavy public-records, company, procurement, sanctions-adjacent, and cross-border investigative research where source documents matter.