Our Domains & Subdomains Discovery API works for nearly all top-level domains (TLDs), which now exceeds 7,596.
All the domains and subdomains that appear in the search results come from a huge database gathered for over 10 years of data crawling. The database is growing daily by an average of 15 million newly discovered subdomains.
All information is well-parsed and normalized into either Extensible Markup Language (XML) and JavaScript Object Notation (JSON) format for easy integration with your business processes.
Need to know which domains and subdomains may have ties to cybercrime? Domains & Subdomains Discovery API data can help mitigate phishing, malware-enabled, and other attacks.
Want to enhance cybersecurity solutions in development? Integrate Domains & Subdomains Discovery API into your solutions and services to better protect your customers against harmful communications and websites, vulnerability exploits, and other threats.
Even by merely examining lists of domains and subdomains, you can strengthen protection by including all suspicious entities, even those not identified as indicators of compromise (IoCs), in your blacklists to prevent possible harm.
Need a hand in getting to know your competitors better? Scrutinize their recently-created domains and subdomains to identify potential business expansion avenues. The results can be good jumping-off points for market prospecting and understanding which products are part of an organization’s tech stack, as shown by the presence of certain product names in subdomains.
Want extra protection from trademark and copyright violators? Ensure that lookalike domains cannot adversely affect your brand reputation by fooling your customers and audiences into thinking they are dealing with you. Take action against cybersquatters and fraudsters who aim to benefit from your new product and service launches, settlement initiatives, and other high-profile activities.
















Get the most comprehensive database of registered MAC address blocks, also referred to as OUIs (Organizationally Unique Identifiers).
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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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We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.
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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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Find out the exact physical location of any IP address, email or domain name.
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Find out which domains were added or dropped by registrants, with given search criteria.
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Find domains and subdomains related by specific terms in their hostnames.
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Get insights for the new business registered on the web.
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Get the most comprehensive database of SSL (Secure Sockets Layer) Certificates.
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Monitor exact matches, variations and common misspellings of your brand name & trademarks.
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Get vendor information, detect virtual machines, manufacturer, location, read the information encoded in the MAC address.
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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 the most relevant data to be ahead of emerging security threats.
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Easily identify malicious resources and retrieve their threat information.
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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 well-parsed and normalized WHOIS information for any domain name, IP address or email.
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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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Domains & Subdomains Discovery API
Get free access to our API. 500 free credits. No credit card required.