Insights

Security Scale With a robust data footprint including billions of DNS and WHOIS records and a client base spanning Fortune 1000 companies, banks, MSSPs, and government agencies, there is a clear opportunity to upsell enterprise-grade threat intelligence and data feeds to larger security programs seeking deeper visibility.

Product Expansion Recent launches such as Domain Info API, TLD RDAP Monitor, and DNS Chronicle API indicate a growing suite of enriched cyber intelligence solutions that can be positioned to current customers looking for integrated, API-driven data and early access to new capabilities.

Market Penetration Growing event presence and thought leadership through Code Blue, BSides conferences, and industry engagements create openings for targeted outreach to SOCs, SIEM/SOAR/TIP platforms, and brand protection teams seeking credible threat intelligence partnerships.

Healthcare/Financial Fit Given clients across finance, banks, payment processors, telcos, and government, there is a strong chance to tailor offerings for regulated industries with requirements for compliance, data provenance, and historical records for investigations and due diligence.

Global Coverage Extensive coverage of 7596+ TLDs, 50+ billion domains, 116+ billion DNS records, and 10.4+ million IP netblocks positions WhoisXML API as a go-to provider for customers pursuing large-scale domain and IP intelligence across diverse markets and use cases.

Similar companies to WhoisXML API

WhoisXML API Tech Stack

WhoisXML API uses 8 technology products and services including Linkedin Insight Tag, Docker, WordPress, and more. Explore WhoisXML API's tech stack below.

  • Linkedin Insight Tag
    Analytics
  • Docker
    Containerization
  • WordPress
    Content Management System
  • Cloudflare DNS
    Domain Name Services
  • Google Cloud Platform
    Infrastructure As A Service
  • jQuery UI
    Javascript Libraries
  • LinkedIn
    Online Community Software
  • Google
    Search Engines

WhoisXML API's Email Address Formats

WhoisXML API uses at least 1 format(s):
WhoisXML API Email FormatsExamplePercentage
First.Last@whoisxmlapi.comJohn.Doe@whoisxmlapi.com
67%
First@whoisxmlapi.comJohn@whoisxmlapi.com
31%
FLast@whoisxmlapi.comJDoe@whoisxmlapi.com
2%

Frequently Asked Questions

Where is WhoisXML API's headquarters located?

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WhoisXML API's main headquarters is located at 440 North Barranca Avenue #1362 Covina, California 91723 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is WhoisXML API's phone number?

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You can contact WhoisXML API's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is WhoisXML API's official website and social media links?

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WhoisXML API's official website is whoisxmlapi.com and has social profiles on LinkedIn.

What is WhoisXML API's NAICS code?

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WhoisXML API's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does WhoisXML API have currently?

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As of June 2026, WhoisXML API has approximately 38 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Vice President Research: E. G.Head Of Apac And Corporate Development: C. C.Vp: A. R.. Explore WhoisXML API's employee directory with LeadIQ.

What industry does WhoisXML API belong to?

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WhoisXML API operates in the Technology, Information and Internet industry.

What technology does WhoisXML API use?

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WhoisXML API's tech stack includes Linkedin Insight TagDockerWordPressCloudflare DNSGoogle Cloud PlatformjQuery UILinkedInGoogle.

What is WhoisXML API's email format?

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WhoisXML API's email format typically follows the pattern of First.Last@whoisxmlapi.com. Find more WhoisXML API email formats with LeadIQ.

WhoisXML API

Technology, Information and InternetCalifornia, United States11-50 Employees

WhoisXML API, based in Covina, California, is a technology company with more than 14 years of experience gathering, analyzing, and correlating domain, IP, and DNS data to support internet security and transparency. Its offerings include data feeds, APIs, research and monitoring tools, and cyber threat intelligence tailored for security teams, enterprises, and investigators. The data scope is extensive, including more than 21 billion historical WHOIS records across 7,596+ TLDs and ccTLDs, over 50 billion domains and subdomains, 10.4 million IP netblocks, 99.5% of IPs in use, and more than 116 billion DNS records collected. Its customer base encompasses commercial security platforms, SOCs, MSSPs, Fortune 1000 companies, government agencies, banks, and other organizations involved in cybercrime investigations and brand protection, and the company has been listed among Inc. 5000 fastest-growing IT companies since 2017. In October 2025 it announced the Domain Info API, a tool that provides an enriched WHOIS record for active or expired domains by leveraging its historical data.

Section iconCompany Overview

Headquarters
440 North Barranca Avenue #1362 Covina, California 91723 United States
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
11-50

Section iconFunding & Financials

  • $25M$50M

    WhoisXML API's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    WhoisXML API's revenue is estimated to be in the range of $25M$50M

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