Products APIs Data Feeds Web Tools Domain Research & Monitoring Enterprise Packages AI Deep Research
WHOIS / WHOIS History
WHOIS / WHOIS History

Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.

DNS / DNS History
DNS / DNS History

Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.

IP Geolocation / IP Netblocks
IP Geolocation / IP Netblocks

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.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

Access our web-based solution to dig into and monitor all domain events of interest.

Domain Research Suite (DRS)
Domain Research Suite (DRS)

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.

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Monitoring
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Predictive Threat Intelligence Feeds
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.

WhoisXML API Internet Infrastructure
Internet Infrastructure

Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes.

Enterprise API Packages
Enterprise API Packages

Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.

Security Intelligence (SI) Suite
Security Intelligence (SI) Suite

Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.

Attack Surface Discovery API
Attack Surface Discovery API

Uncover entire attack surfaces with this API to embed asset discovery, vulnerability scanning, and technology metadata into your platform. Now in early access.

MCP Server
MCP Server

Talk to our APIs using LLMs. Connect your preferred LLM to WhoisXML API and simply chat about WHOIS, DNS, threat intelligence, and more.

Jake AI
Jake AI

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)
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.

Discover what you really pay for when buying commercial Internet intelligence data.

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WHOIS Database Download: Buy the Largest Source of Domain Data

We deliver the most comprehensive source of WHOIS domain data to enable a more secure and transparent Internet for all businesses.

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WHOIS Database Download
374 Million+Active domains tracked
25.5 Billion+WHOIS records
7,596+TLDs and ccTLDs tracked
52,000+Satisfied customers
See all coverage stats

Benefits of WHOIS Data

  • Get active WHOIS records for domains registered using gTLDs as well as ccTLDs. Several thousand gTLDs among which popular .com, .org, and .net as well as .us, .biz, .mobi, .info, .pro, .coop, .asia and many other new gTLDs. Click here for the entire list. Hundreds of ccTLDs such as .uk, .jp, .cn, and .de. Click here for the entire list.

  • Get key data points for domains, including Registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, domain age, and more.

  • Our WHOIS data encompasses 374+ million active domain names, with hundreds of thousands of records added daily to our WHOIS database.

  • Get both parsed and raw WHOIS data for downloads as database dumps (MYSQL or MYSQL dump) and Comma Separated Values (.CSV) files. You can view a sample here.

  • All the WHOIS information is well-parsed and normalized to a consistent format for easy integration with your business processes.

  • Get over 25.5 billion historic WHOIS records.

What is a WHOIS Database Download?

WHOIS database downloads, also known as "WHOIS data downloads," are repositories of WHOIS records. Each record contains registration dates, contact information, postal addresses, and server details, among other data points.

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WHOIS Database | WhoisXML API

WHOIS Database Download can be configured to match your specific requirements

Take a look at our product sheet and contact us for pricing and other details.

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Practical Uses: Why Buy Our Whois Database

  • Cybersecurity professionals use WHOIS download services for reconnaissance needs and security analysis, such as the correlation of domain activity for threat detection and mitigation, as well as for fraud prevention and the identification of Internet assets from high-risk locations.

  • WHOIS database download can be used to enrich security information and event management (SIEM), Security Orchestration, Automation, and Response (SOAR), Threat Intelligence Platform (TIP), Automation, and Orchestration Tools.

  • Registrars purchase WHOIS database downloads to keep track of domains.

  • Digital risk protection products can work with WHOIS intelligence to gather context on hostnames, IPs, and email addresses found on pastebins and forums as part of pivot and enrichment analyses.

  • Law enforcement agencies use WHOIS data downloads to identify all the connected domains, websites, and IP addresses associated with fraudulent activities and criminals.

  • WHOIS data downloads help managed security service providers (MSSP) and managed detection and response providers (MDR) to differentiate their threat detection and management services.

  • Marketing research analysts and contact data warehouses use WHOIS data to examine domain registration trends and create market forecasts.

  • Utilizing data from billions of WHOIS records helps you offer a greater strategic advantage over competitors. Develop accurate statistical market insights, providing an authoritative market understanding for your marketing and sales clients.

  • Brand protection agents can rely on WHOIS data downloads to check for registrations that strongly overlap with their brands and trademarks and take action to prevent highly-similar and copycat domain names from confusing customers and visitors.

  • Digital forensics and incident response (DFIR) consultants can rely on WHOIS data downloads to provide their clients with easy-to-read lists of domains that may have ties to cybercrime, allowing them to beef up their cybersecurity posture.

  • Fraud solution vendors, payment processing companies, and banks can integrate domain data points from our WHOIS database into their models and applications. By correlating the data with other sources, they can improve their ability to detect inconsistencies indicative of fraud or connections to domain names flagged malicious.

  • WHOIS database download is also an excellent means to look for domains related to phishing and other malware-instigated attacks.

  • Contact data warehouses can purchase WHOIS data to enrich, verify and enhance business contact data.

  • Researchers seeking answers to Internet-user-base-related questions can buy WHOIS database downloads to gauge the maturity of existing markets and identify budding growth areas.

  • Investment banking institutions use domain registration data to enhance business intelligence on portfolio companies and monitor corporation domain assets.

  • WHOIS data can help investigate Indicators of Compromise (IOC) and produce Threat Intelligence.

WHOIS API | WhoisXML API

Unlimited API calls available

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Find all domains that use the same name server.

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

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

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Define website category of the given domain.

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Find out which IP range the particular IP belongs to.

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Get the most comprehensive database of SSL (Secure Sockets Layer) Certificates.

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Identify who is hosting a particular domain name or website.

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