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The ICANN registration data lookup tool gives you the ability to look up the current registration data for domain names and Internet number resources. The tool uses the Registration Data Access Protocol (RDAP) which was created as a replacement of the WHOIS (port 43) protocol.

Registration data lookup tool Enter a domain name or an Internet number resource ( IP Network or ASN ) Frequently Asked Questions (FAQ) This lookup will try to use the WHOIS service.

Each one must provide identifying and contact information which may include: name, address, email, phone number, and administrative and technical contacts. This information is often referred to as "WHOIS data." But the WHOIS service is not a single, centrally-operated database.

Enter the domain or IP address for which you would like to conduct a Whois lookup in the search box above. We will query the appropriate database and provide a recent record.

Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"".

For example, if you type www.icann.orginto a browser, your ISP will query the name servers starting from the hard coded root servers to find out which name servers are associated to that domain name. One of those name servers is then contacted and will return the IP address for that domain name.

ICANN Begins Search for Next President and CEO The ICANN Board of Directors has officially begun the process to search for and select ICANN's next President and Chief Executive Officer (CEO), and the ICANN Board CEO Search Committee wants to hear from you.

This WHOIS Portal is devoted to describing the WHOIS system for generic top level domain names only, and does not attempt to describe how WHOIS applies to country code top level domain names (ccTLDs), IP addresses or ASNs.