Domain / DNS
Domain, host, certificate, IP, and website footprint checks.
OSINT4ALL tool directory
Search OSINT tools by investigation task.
Search the OSINT tools directory by evidence type, access model, pricing, and verification needs so you can choose faster and document the limits.
Filter tools Search, category, pricing, and verification
Editorial standards
Use the data. Keep the judgment.
- Fit and limits stay visible.
- Commercial context cannot buy placement.
- Corrections are reviewed.
Directory workflow
Start broad. Leave with a shortlist.
Search by job
Start with the task, source type, signal, or tool name.
Narrow fit
Use category, pricing, access, and verification filters.
Pin candidates
Build a browser-only shortlist while browsing profiles.
Check context
Read caveats and disclosure before visiting the tool.
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Common investigation lanes
Pick a lane when the evidence type is clear and you need a faster shortlist.
Threat triage
Suspicious URLs, files, IPs, breach signals, and reputation checks.
Company research
Registries, filings, public records, and corporate footprint checks.
People & social
Handles, people, public topics, mentions, and media narratives.
Maps / geolocation
Place names, imagery, satellite, map, and sunlight checks.
Archives
Preserve pages, recover deleted sources, and document timelines.
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CrowdStrike
Malware-analysis report community
Verification: Verification status not listed
Workflow: Verification
Pricing: Freemium
Best for: Use it when a suspicious hash, file, or URL needs malware-analysis context while respecting evidence-sharing limits.
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Hybrid Analysis
Malware-analysis report community
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Harvard Library Innovation Lab
Scholarly and legal web citation preservation
Verification: Verification status not listed
Workflow: Archiving
Pricing: Freemium
Best for: Use it when a cited web source needs a durable reference for legal, academic, policy, or investigative documentation.
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Perma.cc
Scholarly and legal web citation preservation
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DNSlytics
Reverse analytics, DNS, and domain intelligence
Verification: Verification status not listed
Workflow: Enrichment, Pivoting
Pricing: Freemium
Best for: Use it when a website or domain needs passive pivots through analytics IDs, ad IDs, DNS clues, or…
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DNSlytics
Reverse analytics, DNS, and domain intelligence
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Netlas
Internet asset and attack-surface search
Verification: Verification status not listed
Workflow: Discovery
Pricing: Freemium
Best for: Use it when infrastructure research needs another structured lens on internet-exposed assets and certificates.
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Netlas.io
Internet asset and attack-surface search
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ONYPHE
Cyber defense search engine and attack-surface data
Verification: Verification status not listed
Workflow: Enrichment
Pricing: Freemium
Best for: Use it when a technical artifact needs passive cyber-intelligence enrichment and historical context.
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ONYPHE
Cyber defense search engine and attack-surface data
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ViewDNS.info
Free web-based DNS and domain lookup tools
Verification: Verification status not listed
Workflow: Discovery, Enrichment
Pricing: Freemium
Best for: Use it when a domain investigation needs quick manual pivots across several lightweight DNS and hosting checks.
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ViewDNS.info
Free web-based DNS and domain lookup tools
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Knownsec
Internet asset search and exposure intelligence
Verification: Verification status not listed
Workflow: Discovery
Pricing: Freemium
Best for: Use it when a scoped host, service, product, or organization needs additional exposure context beyond Shodan or Censys.
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ZoomEye
Internet asset search and exposure intelligence
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WhoisXML API
Domain, DNS, WHOIS, and threat intelligence APIs
Verification: Verification status not listed
Workflow: Enrichment, Pivoting
Pricing: Freemium
Best for: Use it when domain research needs structured enrichment at scale rather than one manual lookup at a time.
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WhoisXML API
Domain, DNS, WHOIS, and threat intelligence APIs
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AbuseIPDB
IP abuse-report and reputation lookup service
Verification: Pending Verification
Workflow: Enrichment, Verification
Pricing: Freemium
Best for: Checking suspicious IP addresses against public abuse reports during security, exposure, and infrastructure triage.
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AbuseIPDB
IP abuse-report and reputation lookup service
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EmailRep.io
Email reputation lookup for risk and identity-signal triage
Verification: Pending Verification
Workflow: Enrichment, Verification
Pricing: Freemium
Best for: Adding email reputation context to fraud, breach, contact-vetting, and people-research triage.
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EmailRep.io
Email reputation lookup for risk and identity-signal triage
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DomainTools
Commercial domain intelligence for WHOIS history and DNS pivots
Verification: Pending Verification
Workflow: Enrichment, Pivoting
Pricing: Freemium, Paid
Best for: Investigating domains, ownership history, DNS relationships, and infrastructure context around suspicious or important web properties.
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DomainTools
Commercial domain intelligence for WHOIS history and DNS pivots
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BuiltWith
Website technology and competitor-footprint profiling
Verification: Verification status not listed
Workflow: Enrichment
Pricing: Freemium
Best for: Website technology profiling, historical stack checks, commercial due diligence, competitor research, and domain-context enrichment.
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BuiltWith
Website technology and competitor-footprint profiling
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Sentinel Hub
Browser-based satellite imagery exploration
Verification: Verification status not listed
Workflow: Verification
Pricing: Freemium
Best for: Browser-based satellite imagery comparison by date, location, cloud coverage, data collection, visualization layer, and time window.
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Sentinel Hub EO Browser
Browser-based satellite imagery exploration
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