Ask what the database is measuring.
A product may emphasize current DNS, historical observations, certificates, passive DNS, or a blend. Compare results only after comparing scope.
Guide · Verification
Quality is a combination of scope, freshness, normalization, retrieval reliability, and honest interpretation—not one unsupported accuracy number.
A product may emphasize current DNS, historical observations, certificates, passive DNS, or a blend. Compare results only after comparing scope.
A historical relationship can be valid even when the domain no longer resolves to the address. A current-only lookup can be accurate while omitting older associations.
Use the public preview and Proof Pass to test representative addresses. Include ordinary, low-density, and high-density examples from your own workflow.
Evaluate with your own workflow
Use the protected public preview, review the coverage principles, and test the complete workflow with a short Proof Pass.