With one API call instantly get a list of all subdomains related to a given domain name to discover the company’s web infrastructure and determine the attack surface of the target organization.Get started
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Subdomains Lookup API allows you to discover subdomains of a target domain name along with their first seen and last seen dates.
Query results, with both parsed fields are returned in popular XML & JSON formats.
API works for nearly all of the TLDs.
You can also combine Subdomains inspect API with our Domain Research Suite so as to get enhanced WHOIS records or registration details including contact information, registrant details and more.
Determine the attack surface of the target organization. Find systems that are less protected and more vulnerable to attacks.
Finding subdomains is an important step in the information gathering phase of a penetration test. Subdomains are interesting because they point to various (less-known) applications which are usually an easy target for attackers and can become the entry point of those attacking your organization.
By examining subdomains of suspicious sites protect yourself from possible harm.
This is a great way to conduct an independent evaluation of systems connected to the Internet. Make a quick self-assessment to uncover all potential weak points, outdated software, or misconfigurations.
Research your competitors' web infrastructure. Get the edge by keeping your finger on the pulse by screening your competitors' subdomain registrations. Identify possible ways of business development.
Build your own products and enrich them with our high-value data. Every API response is returned as a JSON which can be easily read and implemented into your product.
We provide complete and relevant domain WHOIS data which can be customized and easily integrated as per your business needs.Learn more
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The most accurate domain availability checker offered on the market.Learn more
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API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.Learn more