Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.
Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.
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.
Access our web-based solution to dig into and monitor all domain events of interest.
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.
Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.
Downloadable domain, IP, and DNS datasets for efficient and unrestricted access to all of our intelligence sources within your network perimeter.
Access to our domain and threat intelligence tools in combo with package discounts for enterprise and government customers.
Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
Enjoy priority data access with our premium API services topped with extra perks including dedicated team support, enterprise-grade infrastructure, and SLAs for full scalability and high performance.
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.
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.
Bolster enterprise security with our feeds covering Typosquatting domains, Disposable domains, Phishing URLs, Domain & IP reputation, Malicious URLs, Botnet C&C, and DDoS URLs.
Our hosted WHOIS API service provides the registration details, also known as the WHOIS record data, of a domain name, an IP address, or an email address. All of the WHOIS information we offer is adequately parsed and normalized to a consistent format so it can easily fit in with your business operations.
Get started500 free requests monthly. No credit card required.
WHOIS API is a consumption model variant that gathers a variety of domain ownership and registration data points from a comprehensive WHOIS database. Developers can integrate WHOIS API into existing internal systems and commercial applications using client libraries and integration modules.
Our WHOIS repository contains information from millions of active domain and subdomain records that cover more than 2,864 generic (gTLDs) and country-code top-level domains (ccTLDs).
Our WHOIS data can be quickly integrated into different internal systems to speed up its use by various stakeholders.
Need data viewable in either Extensible Markup Language (XML) or JavaScript Object Notation (JSON)? Our API provides both output types.
Our WHOIS data is gathered in near-real-time, giving you exclusive access to accurate and updated information for better decision-making.
Digital forensics and incident response (DFIR) and other cybersecurity consultants can rely on WHOIS API to provide clients with easy-to-read lists of domains that may have ties to cybercrime, thus allowing them to enhance their cyber defense. This information could be particularly useful in mitigating phishing and other malware-enabled attacks.
Infosec professionals can work with WHOIS API to enhance their solutions and services and protect users against spam, dangerous websites, network infiltrations, and other online misdeeds as well as to investigate third-party risks.
Law enforcement agents can use WHOIS API as a tool for investigations to find IP addresses, websites, and domains sharing attributes with criminals’ online networks.
Domainers can determine if a domain name is available and keep up with registration changes by working with WHOIS API. They can see all historical changes to particular domains with a simple search while the monitoring functionality lets them stay updated on the most recent domain changes.
Domain investors find WHOIS information helpful when tracking the competition and looking for new investment opportunities.
Domain brokers and registrars can rely on WHOIS API to efficiently manage domain name ownership transfers.
DevOps professionals can use WHOIS data to build new features and enrich other data sources as part of their software development and IT operations.
Payment processors and banks can prevent transaction fraud by looking out for customer information discrepancies and thwart malicious actors with the help of WHOIS API.
WHOIS API simplifies marketing research by allowing you to gather domain ownership information for statistical analyses. It also helps you make tailor-fit marketing strategies and campaigns for various user bases and identify otherwise-untapped opportunities.
WHOIS data enables brand agents to spot potential instances of trademark infringement like using blatantly similar, copycat, or duplicate domain names. This information can also be used with Website Categorization products to gather greater context around a domain.
Know your customers and prospects better with WHOIS API’s domain ownership information. Make your outreach efforts easier by using the contact details in domain records.
Our database comes in the form of CSV files and MySQL dumps for maximum compatibility and fast integration into existing systems.
Order databaseWe provide extensions for major open-source threat intelligence platforms. Integrate WHOIS API into your applications in minutes.
Go to integrationsEnhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...
Learn moreMonitor exact matches, variations and common misspellings of your brand name & trademarks.
Learn moreGet a complete daily list of all the registered domains and zone files.
Learn moreAssess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...
Learn moreGet well-parsed and normalized WHOIS information for any domain name, IP address or email.
Learn moreEasily detect all typosquatting domain names as soon as they are registered each day.
Learn moreGet data feeds of new registered domains along with their WHOIS data generated in real time.
Learn moreFind domains and subdomains related by specific terms in their hostnames.
Learn moreFind out which domains were added or dropped by registrants, with given search criteria.
Learn moreFind out the exact physical location of any IP address, email or domain name.
Learn moreWe provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.
Learn moreGet insights for the new business registered on the web.
Learn moreGet the most relevant data to be ahead of emerging security threats.
Learn moreDo much more with our annual API subscriptions that cover WHOIS data and other types of domain, IP, and DNS intelligence. See how we can match your business planning and solution architecture requirements.
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