Whois is a protocol for submitting a query to a database for determing the owner of a domain name, an IP network, or an autonomous system number.

For instance a whois query on wikipedia.org results in the following:

Domain ID:D51687756-LROR
Domain Name:WIKIPEDIA.ORG
Created On:13-Jan-2001 00:12:14 UTC
Last Updated On:19-Oct-2003 02:52:44 UTC
Expiration Date:13-Jan-2005 00:12:14 UTC
Sponsoring Registrar:R71-LROR
Status:OK
Registrant ID:C3819183-RCOM
Registrant Name:Jimmy Wales
Registrant Organization:Bomis,Inc.
Registrant Street1:4455LamontSt.,Suite3
Registrant City:SanDiego
Registrant State/Province:CA
Registrant Postal Code:92109
Registrant Country:US
Registrant Phone:+1.6192739361
Registrant FAX:+1.6192739363
Registrant Email:jwales@bomis.com
Admin ID:C11978190-RCOM
Admin Name:Jimmy Wales
Admin Organization:Bomis,Inc.
Admin Street1:3585HancockSt.,SuiteA
Admin City:SanDiego
Admin State/Province:CA
Admin Postal Code:92110
Admin Country:US
Admin Phone:+1.6192961732
Admin Email:jwales@bomis.com
Tech ID:C1-RCOM
Tech Name:Domain Registrar
Tech Organization:Register.Com
Tech Street1:5758thAvenue
Tech City:NewYork
Tech State/Province:NY
Tech Postal Code:10018
Tech Country:US
Tech Phone:+1.9027492701
Tech Email:domain-registrar@register.com
Name Server:DNS33.REGISTER.COM
Name Server:DNS34.REGISTER.COM

External links

  • RFC954, official definition of Whois
  • Whois, run a Whois query via this web page