Facebook's whois result is pretty funny.

   $ whois facebook.com

   Whois Server Version 2.0

   Server Name: FACEBOOK.COM.ZZZZZ.GET.LAID.AT.WWW.SWINGINGCOMMUNITY.COM
   IP Address: 69.41.185.229
   Registrar: TUCOWS DOMAINS INC.
   Whois Server: whois.tucows.com
   Referral URL: http://domainhelp.opensrs.net