Provide current and historical ownership information on domains / IPs. Identify all connections between domains, registrants, registrars, and DNS servers.
Look into all current and historical DNS / IP connections between domains and A, MX, NS, and other records. Monitor suspicious changes to DNS records.
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.
Access our web-based solution to dig into and monitor all domain events of interest.
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.
Our complete set of domain, IP, and DNS intelligence available via API calls as an annual subscription with predictable pricing.
Offers complete access to WHOIS, IP, DNS, and subdomain data for product enrichment, threat hunting and more.
Enjoy priority data access with our premium API services topped with extra perks including dedicated team support, enterprise-grade infrastructure, and SLAs for full scalability and high performance.
Carry a complete threat intelligence analysis for a given domain or IP address and get access to a report covering 120+ parameters including IP resolutions, website analysis, SSL vulnerabilities, malware detection, domain ownership, mail servers, name servers, and more.
Gather threat intelligence via API calls covering Domain’s Infrastructure analysis, SSL Certificates Chain, SSL Configuration Analysis, Domain Malware Check, Connected Domains, and Domain Reputation Scoring.
Bolster enterprise security with our feeds covering Typosquatting domains, Disposable domains, Phishing URLs, Domain & IP reputation, Malicious URLs, Botnet C&C, and DDoS URLs.
We offer comprehensive services for the integration of our data – from consultations to the precise definition of the basic needs of the business to increase the work efficiency.
Set up and manage public WHOIS servers for your business. Our WHOIS parsing system is a utility that collects extensive information about any given domain by sending series of DNS and WHOIS queries. The report is generated in raw as well as in parsed format.
Regardless of whether you are a startup, a small business or a global one, our team is always ready to help you. Enterprises operating on a scale can also choose special premium support management with high priority 24/7 email and telephone responses and other professional services.
Get customized reports on TLDs covering datasets falling under domain name, WHOIS and DNS category.
Subdomains Lookup API allows users to find all the subdomains of a given domain name with one API call. Relevant creation and update dates are also returned alongside the subdomains.
Subdomains Lookup API offers up to 500 free credits so you can try the product at no cost. You can check out the Subdomains Lookup API pricing plans here.
With one call, Subdomains Lookup API returns a complete list of subdomains, which can help users in several ways, including:
Aside from the API version, you can obtain the same data from:
Subdomains Lookup API pulls data from an extensive passive Domain Name System (pDNS) database, which has been gathering data since 2012. Our database contains more than 2.3 billion subdomains, spanning over 774 million domain names and more than 7,298 top-level domains (TLDs). On top of that, more than 1 million subdomains are added to the database daily.
You may reach out to our support team by dropping us an email at:
We also provide support for different tiers, including Premium Support, which gives you access to our call center support team members.
Technical details about Subdomains Lookup API are available in this API docs page. It tackles the following:
You may check out this DNS Primer, which contains more details about the DNS and how it works.