We offer a complete list of free email domains updated with regular additions of new free email services.
Our free email domains list is downloadable as a text file via HTTPS, FTP, or FTPS so you can easily access and integrate it into existing systems or use it to run scripts.
Improve the quality of your leads and enjoy higher conversion rates by filtering out free email addresses.
Strengthen email filtering requirements by including free email domains in your filtering criteria, as they can serve as vehicles for spam and phishing.
Widen email verification criteria by integrating our free email domains list to your email verification tools for a more accurate validation process.
“We want to provide all Cyberscape users the ability to integrate relevant data for their cyber threat investigations. WhoisXML API provides unique data that will be helpful to the cyber threat investigation community, allowing analysts to shorten the cycle of understanding and mitigating threats.”
“WhoisXML API data helps us make informed and automated decisions, filtering invalid email addresses much faster.”
“We needed a simple way of verifying the integrity of user-entered email addresses, and discovered WhoisXML API - it is great value and was really easy to integrate with our systems. Excellent customer service when required, too.”
















Get insights for the new business registered on the web.
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Find out which domains were added or dropped by registrants, with given search criteria.
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We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.
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Find out the exact physical location of any IP address, email or domain name.
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Assess the domain's or IP addresses reputation and risk profile with a simple score based on a comprehensive...
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Get well-parsed and normalized WHOIS information for any domain name, IP address or email.
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Enhance your domain research toolkit by our enterprise-grade web-based solution that helps you in searching...
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Get the most relevant data to be ahead of emerging security threats.
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Get the most comprehensive database of registered MAC address blocks, also referred to as OUIs (Organizationally Unique Identifiers).
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Easily identify malicious resources and retrieve their threat information.
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Find domains and subdomains related by specific terms in their hostnames.
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Get data feeds of new registered domains along with their WHOIS data generated in real time.
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Get the most comprehensive database of SSL (Secure Sockets Layer) Certificates.
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Get data feeds of SSL certificates along with their well parsed fields in real time. Accurate. Up-to-date.
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Get vendor information, detect virtual machines, manufacturer, location, read the information encoded in the MAC address.
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Monitor exact matches, variations and common misspellings of your brand name & trademarks.
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Easily detect all typosquatting domain names as soon as they are registered each day.
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Give the list of domain names tied to the specified DNS records via API calls with outputs in JSON and XML.
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