#1 Domain, Whois, IP, DNS, and Cyber Threat Intelligence Provider | WhoisXML API

The Who Behind Cyber Threat Intelligence

Domain & IP Data Intelligence for Greater Enterprise Security

For over a decade, we have been gathering, analyzing, and correlating domain, IP, and DNS data to make the Internet more transparent and secure. Our unique collection of cyber threat intelligence feeds have proven invaluable in augmenting the capabilities of commercial security platforms (SIEM, SOAR and TIP) and helping Security Operations Centers (SOCs) & Managed Security Service Providers (MSSPs) achieve superior network visibility.

Law enforcement agencies, threat hunters, cyber forensics analysts, and security engineers also benefit from our intelligence using our diverse sets of APIs, lookup and monitoring tools, and other products designed to facilitate cybercrime detection, response, and prevention. Fortune 1000 companies and SMBs with a digital footprint rely on our intelligence to extend their brand protection efforts, enrich their marketing campaigns, conduct research, uncover market trends, and establish new business opportunities.

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Join more than 50K satisfied customers

7.0 billion+Historic WHOIS Records
1.2 billion+Domains and subdomains
2,864+TLDs & ccTLDs
9.5 million+IP netblocks
99.5%IP addresses in use covered
330 million+Registered websites
152 million+Categorized websites

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Our Cyber Threat Intelligence

Domain WHOIS Intelligence

Domain WHOIS Intelligence

Get access to complete domain name footprints, which includes ownership, timeline, updates, statuses, and other essential registration details for about every domain on the Internet.

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Passive DNS Intelligence

Passive DNS Intelligence

Dive into the biggest passive DNS database comprising billions of historical DNS data points and relevant records for the vast majority of IP addresses and hosts.

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IP Geolocation Intelligence

IP Geolocation Intelligence

Obtain precise geographical data down to the postal code with latitude and longitude coordinates, network information, timezone, connected domains, and more for deeper contextualization.

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IP Netblocks Intelligence

IP Netblocks Intelligence

Access the most structured and detailed IP ranges correlated with ownership data, contacts, and network records from WHOIS, Regional Internet Registries (RIRs), and other sources.

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Enterprise-Grade Data Consumption Models

Common Use Cases

Build Better Cybersecurity Platforms

Build Better Cybersecurity Platforms

Commercial security platform providers such as Security Information and Event Management (SIEM), Security Orchestration, Automation and Response (SOAR), and Threat Intelligence Platforms (TIPs), use our intelligence to boost their capabilities and achieve better threat contextualization and prioritization.

Strengthen Your Managed Security Services

Strengthen Your Managed Security Services

Managed Security Service Providers (MSSPs) use our data as part of their correlation processes to deliver visibility into their clients’ networks and better detect, analyze, and deal with all types of security events, threats, and vulnerabilities.

Assess and Improve Your Security Posture

Assess and Improve Your Security Posture

Security Operations Centers (SOCs) benefit from the breadth and depth of our intelligence to enhance ongoing cybersecurity processes and strategies. Access to our extensive data footprints, APIs, and tools helps detect, categorize, and respond to incidents.

Conduct Meaningful Cyber Investigations

Conduct Meaningful Cyber Investigations

Law enforcement & digital forensics professionals retrieve insights from our intelligence repositories to kickstart and unlock investigations as well as to gather pieces of evidence. Indicators of compromises often include domain names, DNS records, and IP addresses.

Enrich Your Business Data

Enrich Your Business Data

A better understanding of current and historical footprints can be of great value to digital marketers, business development managers, researchers, and other specialists to level up their business intelligence and build commercial applications.

Protect Your Domain From Brand Abuses

Protect Your Domain From Brand Abuses

Brand managers and legal specialists use our footprints and monitoring tools to stay updated on typosquatting, cybersquatting abuses, trademark infringements, and other abuses and misrepresentations of their brands' domain names.

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Domain Reputation API
Domain Reputation API

Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...

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Newly Created Websites Data Feed
Newly Created Websites Data Feed

Get insights for the new business registered on the web.

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Screenshot Service
Screenshot Service

Instantly get a screenshot of any web page.

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Website Contacts
Website Contacts

Get full contacts data of the given domain.

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DNS Lookup Services
DNS Lookup Services

Identify who is hosting a particular domain name or website.

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IP Netblocks
IP Netblocks

Find out which IP range the particular IP belongs to.

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WHOIS Search
WHOIS Search

Get well-parsed and normalized WHOIS information for any domain name, IP address or email.

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Domain Research Suite
Domain Research Suite

Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...

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Reverse IP/DNS
Reverse IP/DNS

Find relations like ownership between hostnames and IPs.

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Reverse NS
Reverse NS

Find all domains that use the same name server.

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Reverse MX
Reverse MX

Reveal all the domains that use the same mail server.

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WHOIS Database Download
WHOIS Database Download

We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.

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Newly Registered Domains
Newly Registered Domains

Keep track of the best business opportunities online.

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Brand Alert
Brand Alert

Monitor exact matches, variations and common misspellings of your brand name & trademarks.

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Reverse WHOIS
Reverse WHOIS

Find connections between various domains, individuals and organizations.

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IP Geolocation
IP Geolocation

Find out the exact physical location of any IP address, email or domain name.

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Real-time Domain Registration
Real-time Domain Registration

Get data feeds of new registered domains along with their WHOIS data generated in real time.

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Subdomains Lookup
Subdomains Lookup

Discover subdomains related to the target domain name.

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Domain Availability
Domain Availability

The most accurate domain availability checker offered on the market.

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Email Verification
Email Verification

Ensure the validity and quality of any email address.

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Website Categorization
Website Categorization

Define website category of the given domain.

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Registrant Alert
Registrant Alert

Find out which domains were added or dropped by registrants, with given search criteria.

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All Registered Domains
All Registered Domains

Get a complete daily list of all the registered domains and zone files.

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Threat Intelligence Data Feeds
Threat Intelligence Data Feeds

Get the most relevant data to be ahead of emerging security threats.

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Typosquatting Data Feed
Typosquatting Data Feed

Easily detect all typosquatting domain names as soon as they are registered each day.

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US Internet Retailers Database
US Internet Retailers Database

Get access to the biggest US Internet Retailers Database.

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Newsroom & Product Updates

Solutions

Cyber Security

Cyber Security

No matter what type of cyber attack you face, be assured that our different sources of cyber threat intelligence will bring the visibility you need to support decision making.

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Domain Brand Protection

Domain Brand Protection

Stay one step ahead of cybersquatters, phishers, and copycat competitors and protect your Internet domain names with the right set of data feeds and monitoring capabilities.

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Fraud Detection

Fraud Detection

Safeguard your organization and clients against payment transaction fraud and other scams with the help of actionable domain and IP intelligence covering location and ownership.

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Domainer

Domainer

Get extensive domain intelligence, including new registrations, recent expirations, reputation, and historical ownership to make informed decisions about your next domain investments.

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Law Enforcement

Law Enforcement

Use our vast cyber threat data in your investigations to uncover connections between domain names, IP addresses, and ownership information to track down cybercriminals.

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Investment Fund and Banking

Investment Fund and Banking

Monitor web asset acquisitions and fraudulent online transactions, identify investment opportunities, and verify merger and spinoff activities by using domain and IP intelligence.

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Registrar

Registrar

Work with our updated and comprehensive domain and IP intelligence sources to facilitate domain registration, administration, and transfer as well as to follow-up on instances of abuse concerning web assets under your management.

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Marketing Research & Data Intelligence

Marketing Research & Data Intelligence

Better understand and target your audiences and customers with access to our diverse domain, DNS, and IP datasets put together in different formats to enrich your marketing and research activities.

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WhoisXML API

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