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.
Independent, evidence-based DNS and abuse intelligence for applicants, advisors, governments, and counsel participating in the ICANN 2026 New gTLD Program.
Predictive threat intelligence is your best first line of defense. Subscribe to the feeds to strengthen your cybersecurity posture. Contact us today for more information.
Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes.
Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.
Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
Uncover entire attack surfaces with this API to embed asset discovery, vulnerability scanning, and technology metadata into your platform. Now in early access.
Talk to our APIs using LLMs. Connect your preferred LLM to WhoisXML API and simply chat about WHOIS, DNS, threat intelligence, and more.
I’m your Domain Intelligence Assistant. I make it easy to explore WHOIS, DNS, and threat data from WhoisXML API — I’m cloud-based, fast, and always ready to help.
A custom GPT for WHOIS, DNS, IP, and threat intelligence research. Connects ChatGPT directly to WhoisXML API to enable fast, conversational investigations and domain insights.
Discover what you really pay for when buying commercial Internet intelligence data.
Download nowSearch across all registered and dropped domain names for the registrant's specific details.
Get started500 free API requests. No credit card required.
Integrate our API into existing security platforms, workflows, and other tools to investigate domains that have been added or dropped by registrants based on given search criteria.
Explore APIEasily retrieve a list of domains registered or dropped in the past seven days based on any registrant’s specific details found in WHOIS records via our GUI.
Explore LookupMonitor newly registered, updated, or deleted domain names associated with specific individuals or companies with our Domain Research Suite (DRS) platform’s smart interface and advanced pivoting capabilities.
Explore SuiteHelps you set up program to receive notifications whenever specified individuals or organizations register or delete domains.You can backtrack the alerts by setting the sinceDate request parameter.
The Registrant Alert API searches new .com, .net, .org, .biz, .mobi, .us, .pro, .coop, .asia and thousands of gTLDs and ccTLDs for your specified registrant or terms.
Search results can be filtered based on registration or expiration date. For example, if you want records only within the last year, you can do that.
By default, the result contains all the domain names registered or dropped on the most recent day. Your program can monitor each set of terms by submitting a single query each day.
Protect your or your customers' domains against abuse by keeping an eye out on domain registrants known for cybersquatting. Using their names or other registrant details as search criteria can help you stay abreast of their moves, especially if they register look-alikes of your domains.
Keep track of your competitors’ business moves. The domains they recently acquired could signify a new product/service launch, an ongoing merger and acquisition (M&A), or a new company launch. Use their registrant’s name as a Registrant Alert monitoring term to get automated notifications.
Use your favorite domain registrant’s name as a monitoring term to get notified as soon as lucrative-looking domains get dropped.
















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