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.
Packages designed to augment commercial and in-house security platforms, support managed security services, and facilitate investigations.
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.
Check if any domain name can be registered or not. Sign up for a user account and enjoy your first 100 queries free of charge.
Get started100 free requests monthly. No credit card required.
Domain Availability API can be integrated into existing software and offers market-leading accuracy when checking domain availability at scale via API calls. 100 complimentary queries are provided free of charge when signing up for a new developer account.
Establish whether or not domains are available to be registered in the most convenient way for you.
Our API results are available in both JSON and XML. Our lookup reports are straightforward and shareable.
Both our API and lookup versions cover an extensive selection of TLDs.
Our WHOIS data is updated daily and accurate for both Domain Availability Lookup and API.
Find domains and subdomains related by specific terms in their hostnames.
Learn moreWe provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.
Learn moreGet data feeds of new registered domains along with their WHOIS data generated in real time.
Learn moreGet the most relevant data to be ahead of emerging security threats.
Learn moreMonitor exact matches, variations and common misspellings of your brand name & trademarks.
Learn moreAssess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...
Learn moreGet insights for the new business registered on the web.
Learn moreFind out which domains were added or dropped by registrants, with given search criteria.
Learn moreEnhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...
Learn moreEasily detect all typosquatting domain names as soon as they are registered each day.
Learn moreGet a complete daily list of all the registered domains and zone files.
Learn moreFind out the exact physical location of any IP address, email or domain name.
Learn moreGet well-parsed and normalized WHOIS information for any domain name, IP address or email.
Learn moreWe are here to listen. For a quick response, please select your request type or check our Contact us page for more information. By submitting a request, you agree to our Terms of Service and Privacy Policy.
WhoisXML API uses cookies to provide you with the best user experience on our website. They also help us understand how our site is being used. Find out more here. By continuing to use our site you consent to the use of cookies.