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.
Detect and block access to and from dangerous domain names before malicious actors can weaponize them. Contact us today for more information.
Unlock integrated intelligence on Internet properties and their ownership, infrastructure, and other attributes.
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.
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Learn MoreDomain Availability API helps you check whether a domain name is available for registration quickly and accurately.
WhoisXmlApi.com provides RESTful APIs. It is designed for server-to-server communication between your system and the WhoisXmlApi.com network using standard HTTP or HTTPS protocols. Query responses are delivered in either XML or JSON format based on your requests which are made via GET method.
To get started you need an account with WhoisXmlApi.com. Authentication is required each time in order to use the API. The first 100 domain name availability lookups are complimentary when you register for a free account.
apiKey |
Required. Get your personal API key on the My products page. |
domainName |
Required. The target domain name. |
cmd |
Required = GET_DN_AVAILABILITY |
getMode |
Optional. The default mode is the fastest, the DNS_AND_WHOIS mode is slower but more accurate. Acceptable values: DNS_AND_WHOIS | DNS_ONLY Default: DNS_ONLY |
outputFormat |
Optional. Response output format. Acceptable values: JSON | XML Default: XML |
After Sign Up you automatically get a free subscription plan limited to 100 queries.
The maximum number of requests per second is 30. In case that the limit is breached, your subsequent requests will be rejected until the next second.
This API is also available with a dedicated load balancer and premium endpoint to enable faster querying as part of our Premium API Services and Enterprise API Packages.
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