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.
New gTLD Intelligence Services (NGIS)
Independent, evidence-based DNS and abuse intelligence for applicants, advisors, governments, and counsel participating in the ICANN 2026 New gTLD Program.
Predictive Threat Intelligence Feeds
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.
Security Intelligence (SI) Suite
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.
WhoisXML API Domain Intelligence Advisor (via ChatGPT)
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.
Success Stories
Doppel is a leading AI digital risk protection company that leverages advanced technologies to safeguard brands from digital threats, phishing, and cybercrime. With a commitment to innovation and excellence, Doppel empowers businesses to protect their brand identity in the evolving digital landscape.
Evolving cyber threats require complete visibility into Internet resources like domains and subdomains.
Real-time access to WhoisXML API’s extensive domain data contributes to early and reliable threat detection and mitigation, enabling faster threat takedown and better customer protection.
Doppel significantly improved its domain threat detection accuracy, using WhoisXML API products to uncover new dangerous internet properties that previous solutions missed.
Securing clients from cyber threats requires Doppel to constantly amp up its threat detection capabilities in light of the speed at which attackers act. Threat actors are known for weaponizing Internet resources like domains and subdomains within minutes of their creation, making it crucial to detect and mitigate threats as fast as possible.
Doppel’s existing data providers, including open-source tools, failed to capture certain threats their customers noticed. Detection gaps and delays, resulting in an overall lack of visibility over suspicious and malicious web properties, put customers’ brands and organizations at risk, notably as their user or employee credentials could be stolen in unmitigated phishing attacks.
Doppel chose WhoisXML API’s comprehensive domain intelligence in the form of Subdomains Database Download, Newly Registered Domains Database, and Real-Time Domain Streaming to increase their visibility into new domains and subdomains.
Early access to high-quality, reliable, and extensive domain data enables Doppel to consistently discover and mitigate real threats. Specifically, WhoisXML API helped shed light on net new dangerous subdomains that their previous sources missed.
“We did trials with WhoisXML API to make sure the data was truly resulting in successful takedowns. We were able to consistently discover and mitigate real threats as a result of using the products.”
Doppel increased its Internet visibility with access to extensive domain and subdomain intelligence. In particular, Real-Time Domain Streaming provided the company with continuous insight into newly registered, dropped, and updated domains.
WhoisXML API intelligence contributed to a 50% increase in Doppel's domain threat detection accuracy, helping client brands and organizations to be better protected against phishing and other attacks.
With the help of WhoisXML API, Doppel can enhance its AI capabilities to immediately address detected threats and ensure they don’t pose a risk to customers.
Learn how WhoisXML API intelligence can help you achieve success
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Newly Registered Domains
Real-time Domain Registration
Subdomains Database Download