#1 WHOIS History Search tool of past domain registration | Domain Research Suite | WhoisXML API
Products APIs Data feeds Web tools Domain Research & Monitoring Enterprise packages Cyber Threat Intelligence
WHOIS / WHOIS History
WHOIS / WHOIS History

Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.

DNS / DNSHistory
DNS / DNS History

Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.

IP Geolocation / IP Netblocks
IP Geolocation / IP Netblocks

Get detailed context on an IP address, including its user’s geolocation, time zone, connected domains, connection type, IP range, ASN, and other network ownership details.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Access our web-based solution to dig into and monitor all domain events of interest.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Get access to a web-based enterprise-grade solution to search and monitor domain registrations and ownership details for branded terms, fuzzy matches, registrants of interest, and more.

Research
Monitoring
Enterprise API Packages
Enterprise API Packages

Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.

Enterprise Data Feed Packages
Enterprise Data Feed Packages

Downloadable domain, IP, and DNS datasets for efficient and unrestricted access to all of our intelligence sources within your network perimeter.

Enterprise Tools Packages
Enterprise Tools Packages

Access to our domain and threat intelligence tools in combo with package discounts for enterprise and government customers.

Enterprise Security Intelligence Packages
Enterprise Security Intelligence Packages

Packages designed to augment commercial and in-house security platforms, support managed security services, and facilitate investigations.

Threat Intelligence Analysis
Threat Intelligence Analysis

Carry a complete threat intelligence analysis for a given domain or IP address and get access to a report covering 120+ parameters including IP resolutions, website analysis, SSL vulnerabilities, malware detection, domain ownership, mail servers, name servers, and more.

Threat Intelligence APIs
Threat Intelligence APIs

Gather threat intelligence via API calls covering Domain’s Infrastructure analysis, SSL Certificates Chain, SSL Configuration Analysis, Domain Malware Check, Connected Domains, and Domain Reputation Scoring.

Threat Intelligence Data Feeds
Threat Intelligence Data Feeds

Bolster enterprise security with our feeds covering Typosquatting domains, Disposable domains, Phishing URLs, Domain & IP reputation, Malicious URLs, Botnet C&C, and DDoS URLs.

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WHOIS History Search

Learn about the domain registration history of a given domain name.

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WHOIS History Search

What is WHOIS History Search?

WHOIS History Search is a tool that gives users access to complete historical WHOIS records, including domain ownership and registrar information over time. We have tracked the history of millions of domain names for more than 10 years. All relevant historical WHOIS changes are recorded in our database and accessible via our domain history checker and other WHOIS History products.

What isWHOIS HistorySearch?
7.0+ billion Historic WHOIS Records
582+ million Domains tracked
2,864+ TLDs tracking
10+ years of data crawling

Detailed and accurate domain history checker

Find out who was who

Get 10+ years of WHOIS history changes for the domains that interest you with our tool.

Get in-depth data

Access all of the registration data points present in WHOIS records for a domain name.

Dive into changes

Any field from a searched WHOIS record can be further examined with our other DRS tools.

Practical Uses

  • Check historical domain data before WHOIS records were redacted.
  • Investigate the last public record to uncover how a domain's ownership has been changing.
  • WHOIS history data can help you discover connections to suspicious registrants, including cybercriminals and trademark infringers.

WHOIS History API Integration

All the insights from WHOIS History Search are also available via API calls. Integrate domain registration history search capabilities into your systems and applications without hours of programming work.

Learn more about the API Integration

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