Freemium

Interactive threat-analysis sandbox

Best for: Use it when an authorized suspicious sample or URL needs behavioral analysis and visual triage.

Scholarly and legal web citation preservation

Best for: Use it when a cited web source needs a durable reference for legal, academic, policy, or investigative documentation.

Free web-based DNS and domain lookup tools

Best for: Use it when a domain investigation needs quick manual pivots across several lightweight DNS and hosting checks.

Reverse analytics, DNS, and domain intelligence

Best for: Use it when a website or domain needs passive pivots through analytics IDs, ad IDs, DNS clues, or…

Internet asset search and exposure intelligence

Best for: Use it when a scoped host, service, product, or organization needs additional exposure context beyond Shodan or Censys.

Cyber defense search engine and attack-surface data

Best for: Use it when a technical artifact needs passive cyber-intelligence enrichment and historical context.

Internet asset and attack-surface search

Best for: Use it when infrastructure research needs another structured lens on internet-exposed assets and certificates.

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.

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.

Passive website technology fingerprinting

Best for: Passive website technology fingerprinting, technographic enrichment, and first-pass context around public domains before deeper web or infrastructure research.

Website technology and competitor-footprint profiling

Best for: Website technology profiling, historical stack checks, commercial due diligence, competitor research, and domain-context enrichment.