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.
Detect and block access to and from dangerous domain names before malicious actors can weaponize them. 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.
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.
Achieve new levels of visibility into attack surfaces with real-time and historical coverage of Internet events.
You can also download a data sample for a complete highlight of our intelligence.
Threat actors weaponize and exploit almost everything they can get their hands on, from hostnames, subdomains, and open ports to countless other resources. They can turn endpoints into entry points, endlessly giving birth to attack vectors and continuously expanding attack surfaces. One way to keep up is to increase attack surface visibility. But the Internet has many blind spots that can obstruct your view of connectivity-reliant IT ecosystems. To ensure real-time DNS asset discovery and monitoring, multilateral domain attribution, and single point of failure detection, you need all the transparency you can get to create, monitor, and prioritize an expanding inventory of every possible attack vector.
Extensive and continuous attack surface visibility requires an unbridled view of the DNS for complete Internet asset discovery and monitoring. You need to take your blinders off and get Internet-wide visibility for accurate asset vulnerability and configuration assessment. WHOIS, domain, IP, and other Internet intelligence sources are critical additions to your existing and evolving attack surface intelligence, helping you—and everyone relying on you—keep up with your ever-growing attack surface.
Our enterprise packages offer scalable data access, flexible licensing models, and better coverage and higher total value delivered. Contact us for information on our packages and the contained premium, tier 1, and tier 2 products.
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See what complete domain and DNS intelligence looks like in practice.
Download Data SampleTalk to us. We’re eager to listen and find innovative ways to contribute to your success.
Contact UsThe WhoisXML API data engine is built and frequently upgraded to offer you the most complete, updated, and unique Internet intelligence footprints since 2010. Don’t get lost in all the red tape and unforeseen technical complexities of finding your own domain and DNS data. Our technology is ready to give back months or years of development cycle time to your most pressing and mission-critical projects and deployments.
Our Internet intelligence footprints have supported multiple processes related to attack surface management (ASM), such as:
Digital assets accumulate unprecedentedly, as new SaaS services and cloud infrastructures get deployed, following business expansions, acquisitions, and new partnerships. Use DNS, WHOIS, and other Internet data sources to boost your capabilities and identify all connected digital assets through horizontal and vertical discovery and attribution.
Dangerous assets can take on many forms, including but not limited to dangling DNS records, subdomains added by threat actors, and typo variants of your domains and subdomains. DNS intelligence can help with the detection and attribution of these assets.
Security teams need an objective method to prioritize vulnerabilities, risks, and threats. Use DNS, WHOIS, and other Internet data sources to assign quantitative scores to digital assets, making it possible to rank them for remediation prioritization.
Among the marks of effective ASM is proper and efficient allocation of IT resources. DNS intelligence sources are valuable additions to help assess risks and vulnerabilities for security teams to know which ones to prioritize in remediation activities.
Extensive ASM pays attention to third-party services since threat actors can exploit them to get to their original targets. Utilize DNS, domain, and IP intelligence to discover and track third-party applications and perform security analyses and scoring on newly connected resources.
ASM is a never-ending process that requires continuous detection and monitoring of digital assets. Observe critical business assets round-the-clock for vulnerabilities, misconfigurations, and risk exposure by monitoring the DNS and various security data feeds for asset additions, changes, and other activities.
Effective penetration testing can only be done after thorough reconnaissance. DNS intelligence sources provide valuable visibility into target systems to simulate cyber attacks and stay one step ahead of threat actors.
With the increasing reliance on root assets to operate, effective ASM monitors an organization’s DNS infrastructure to identify any vulnerable component that could cause the whole system or network to fail.
Download this use case sheet and learn more about how an unhampered view of Internet-wide data can provide asset attribution, fuel vulnerability scoring algorithms, and improve security team efficiency.
DownloadLearn more about fusing DNS data into your attack surface intelligence, along with data points you can extract from WhoisXMLAPI’s intelligence sources in this use case sheet.
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What Our Clients Say
"WhoisXML API is giving us access to DNS and WHOIS coverage that has proven to be unique to our environment. My team used the data to bolster asset discovery reach and enhance the precision of our attributions and vulnerability detection analyses."
CTO
ASM Solutions Provider
"We’re constantly comparing the data. With subdomains, you guys again have more, better data. The one other company we were using for subdomains has fewer observations and they do not include dates. Also, your WHOIS history has more, and more accurate data. Your data is pound for pound a much better value. By far."
Thomas Derenthal, Penetration Tester & Founder
CyberIQ