check domain names, find free domains, domain lookup, information about top-level-domains, determine who owns a domain, search for ip-address information, get your current ip address.
Cost / License
- Free
- Proprietary
Platforms
- Online


ICANN WHOIS is described as 'ICANN (Internet Corporation for Assigned Names and Numbers) WHOIS search lets you lookup any generic domain to find out the registered domain owner and related information' and is an website. There are more than 25 alternatives to ICANN WHOIS, not only websites but also apps for a variety of platforms, including Windows, Linux, iPhone and iPad apps. The best ICANN WHOIS alternative is DomainPreflight, which is both free and Open Source. Other great sites and apps similar to ICANN WHOIS are ip.me, JsonWhois.io, WhoisAPI and rdaptastic.
check domain names, find free domains, domain lookup, information about top-level-domains, determine who owns a domain, search for ip-address information, get your current ip address.


Who-is.cc is a free service that lets you check complete IP address whois data and domain name whois data. Both domain name and IP address owner information is provided including domain registrar and IP ISP abuse contact information.


Bulk WHOIS and Domain Names API on steroids, Parsed and in JSON, Domain Availability Check, Domain and WHOIS Lookup
IP Ninja is an advanced intelligence API providing enriched Reverse IP lookups, comprehensive WHOIS parsing, and historical network data for security professionals.

With Domain Name Stat’s WHOIS Database Download, researchers and data analysts can obtain updated and comprehensive WHOIS data for reports and studies.
The Registrar Stakeholder Group (RrSG) offers this tool free of charge to anyone trying to identify the appropriate party (e.g. hosting provider) to report abuse to.

DomainHostingView is a utility for Windows that collects extensive information about a domain by using a series of DNS and WHOIS queries, and generates HTML report that can be displayed in any Web browser.

JsonWHOIS Database Download makes it easy for fraud investigators to trace IP addresses and domains with ties to malicious activity.

Whois.net is a lookup service for domain name search, registration and availability.
