Domain / DNS
Domain, host, certificate, IP, and website footprint checks.
OSINT4ALL tool directory
Search the OSINT tools directory.
This is the core workspace: search by investigation task, evidence type, access model, pricing, and verification context before you click out.
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 stay 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.
Start by job
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.
Live interface preview
FullHunt
Attack-surface discovery and domain intelligence platform
Verification: Pending Verification
Workflow: Discovery, Enrichment
Pricing: Freemium
Best for: Expanding a scoped domain or organization into public assets, technologies, services, and exposure clues before validation.
Editorial
FullHunt
Attack-surface discovery and domain intelligence platform
Editorial
Live interface preview
Pulsedive
Community threat-intelligence search and indicator enrichment
Verification: Pending Verification
Workflow: Triage, Verification
Pricing: Freemium
Best for: Enriching domains, IPs, URLs, and indicators with reputation, community threat-intelligence context, and linked observables during triage.
Editorial
Pulsedive
Community threat-intelligence search and indicator enrichment
Editorial
Live interface preview
ViewDNS.info
Free web-based DNS and domain lookup tools
Verification: Editorial review
Workflow: Discovery, Enrichment
Pricing: Freemium
Best for: Use it when a domain investigation needs quick manual pivots across several lightweight DNS and hosting checks.
Editorial
ViewDNS.info
Free web-based DNS and domain lookup tools
Editorial
Live interface preview
DNSlytics
Reverse analytics, DNS, and domain intelligence
Verification: Editorial review
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…
Editorial
DNSlytics
Reverse analytics, DNS, and domain intelligence
Editorial
Live interface preview
DNSDumpster
Passive DNS and subdomain reconnaissance
Verification: Editorial review
Workflow: Discovery, Pivoting
Pricing: Freemium
Best for: Use it when a domain is already in scope and the next job is quick passive mapping before…
Editorial
DNSDumpster
Passive DNS and subdomain reconnaissance
Editorial
Live interface preview
MXToolbox
DNS, email, and blacklist diagnostics
Verification: Editorial review
Workflow: Enrichment, Verification
Pricing: Freemium
Best for: Use it when a domain or mail server needs quick deliverability, DNS, or blacklist context before deeper infrastructure…
Editorial
MXToolbox
DNS, email, and blacklist diagnostics
Editorial
Live interface preview
WhoisXML API
Domain, DNS, WHOIS, and threat intelligence APIs
Verification: Editorial review
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.
Editorial
WhoisXML API
Domain, DNS, WHOIS, and threat intelligence APIs
Editorial
Live interface preview
laramies
Open-source passive reconnaissance for domains, subdomains, hosts, and emails
Verification: Pending Verification
Workflow: Discovery, Enrichment
Pricing: Free
Best for: Collecting first-pass public leads around an organization's domains, hosts, and exposed contact patterns.
Editorial
theHarvester
Open-source passive reconnaissance for domains, subdomains, hosts, and emails
Editorial
Live interface preview
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.
Editorial
DomainTools
Commercial domain intelligence for WHOIS history and DNS pivots
Editorial
Editorial proof card
Microsoft / RiskIQ
Passive DNS and infrastructure context
Verification: Editorial review
Workflow: Pivoting
Pricing: Enterprise
Best for: Historical passive-DNS, SSL certificate, WHOIS, tracker, reputation, and infrastructure pivots from a concrete domain, IP, hash, or host…
Affiliate
RiskIQ PassiveTotal
Passive DNS and infrastructure context
Affiliate
Live interface preview
SecurityTrails
DNS history and domain intelligence for scoped investigations
Verification: Editorial review
Workflow: Enrichment
Pricing: Paid
Best for: Historical DNS, subdomain, IP, nameserver, and registration-adjacent context around domains already in scope.
Editorial
SecurityTrails
DNS history and domain intelligence for scoped investigations
Editorial
Live interface preview
Sectigo
Free certificate-transparency lookup for domain pivots
Verification: Editorial review
Workflow: Discovery
Pricing: Free
Best for: Certificate-transparency pivots around domains, organizations, hostnames, SAN entries, fingerprints, and historical infrastructure naming patterns.
Editorial
crt.sh
Free certificate-transparency lookup for domain pivots
Editorial
Live interface preview
ICANN Lookup / RDAP workflow
RDAP/WHOIS registration-data checklist for domain leads
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Registrar, registration-date, nameserver, status, and visible contact checks around a domain already in scope.
Editorial
WHOIS Lookup Workflow
RDAP/WHOIS registration-data checklist for domain leads
Editorial
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