Workflow
Investigate domains, DNS, infrastructure, and ownership signals.
Begin with WHOIS and DNS visibility, then pivot into infrastructure, hosting history, and reputation signals.
Open with the strongest domain intelligence sources to establish ownership, records, and core infrastructure quickly.
SecurityTrails provides domain and DNS intelligence, including historical records and infrastructure correlations for online investigations. This resource supports WHOIS research, DNS history analysis, and infrastructure mapping.
Whoxy is a powerful WHOIS lookup API and domain ownership search tool. Access parsed WHOIS data in JSON/XML for over 2,000 domain extensions at the lowest prices
Whoisology provides capabilities for WHOIS research, DNS history analysis, and infrastructure mapping. A searchable cross referenced database of current and historic domain name ownership records.
Then widen into IP, hosting, and URL analysis tools to trace relationships, changes, and technical dependencies.
Domainiq provides capabilities for WHOIS research, DNS history analysis, and infrastructure mapping. domainIQ provides a comprehensive set of tools for whois and domain name research, specifically tools that assist in brand.
ViewDNS.info offers DNS, IP, and domain lookup tools for pivoting across infrastructure during OSINT investigations. This resource supports IP attribution, network reconnaissance, and infrastructure analysis.
DNS History is an OSINT resource for domain and infrastructure intelligence. It supports WHOIS research, DNS history analysis, and infrastructure mapping.
ARIN provides capabilities for WHOIS research, DNS history analysis, and infrastructure mapping. ARIN is a nonprofit, member-based organization that administers IP addresses & ASNs in support of the operation and growth of the.
Central Ops provides capabilities for WHOIS research, DNS history analysis, and infrastructure mapping. Free online network tools, including traceroute, nslookup, dig, whois, ping, and our own Domain Dossier and Email Dossier.
Who Is provides capabilities for WHOIS research, DNS history analysis, and infrastructure mapping. Find information on any domain name or website.
Domain/IP lookup is an OSINT resource for domain and infrastructure intelligence. It supports IP attribution, network reconnaissance, and infrastructure analysis.
BuiltWith profiles website technology stacks, tracking frameworks, hosting signals, and third-party services for web reconnaissance. This resource supports URL analysis, website intelligence, and online risk assessment.
Get link info is an OSINT resource for URL intelligence and website risk analysis. It supports URL analysis, website intelligence, and online risk assessment.
URL Query provides capabilities for URL analysis, website intelligence, and online risk assessment. urlquery is an online service that scans webpages for malware, suspicious elements and reputation.
Spamhaus provides capabilities for threat intelligence, vulnerability research, and IOC investigation. Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community.
SingleFile helps you to save a complete web page into a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera.
Use supporting tools for supplementary evidence such as reputation, snapshots, and deeper technical context.