Yes, there are answered questions regarding spam in Whois. But still unclear: How do they do it? How should I respond? What precautions can I take? For example: Whois for google.com [...] Server Name: GOOGLE.COM.ZOMBIED.AND.HACKED.BY.WWW.WEB-HACK.COM IP Address: 217.107.217.167 Registrar: DOMAINCONTEXT, INC. Whois Server: whois.domaincontext.com Referral URL: http://www.domaincontext.com Server Name: GOOGLE.COM.ZZZZZ.GET.LAID.AT.WWW.SWINGINGCOMMUNITY.COM IP Address: 69.41.185.195 Registrar: TUCOWS DOMAINS INC. Whois Server: whois.tucows.com Referral URL: http://domainhelp.opensrs.net Server Name: GOOGLE.COM.ZZZZZZZZZZZZZ.GET.ONE.MILLION.DOLLARS.AT.WWW.UNIMUNDI.COM IP Address: 209.126.190.70 Registrar: PDR LTD. D/B/A PUBLICDOMAINREGISTRY.COM Whois Server: whois.PublicDomainRegistry.com Referral URL: http://www.PublicDomainRegistry.com Server Name: GOOGLE.COM.ZZZZZZZZZZZZZZZZZZZZZZZZZZ.HAVENDATA.COM IP Address: 50.23.75.44 Registrar: PDR LTD. D/B/A PUBLICDOMAINREGISTRY.COM Whois Server: whois.PublicDomainRegistry.com Referral URL: http://www.PublicDomainRegistry.com Server Name: GOOGLE.COMMAS2CHAPTERS.COM IP Address: 216.239.32.21 Registrar: CRAZY DOMAINS FZ-LLC Whois Server: whois.crazydomains.com Referral URL: http://www.crazydomains.com [...] >>> Last update of whois database: Thu, 05 Jun 2014 02:10:51 UTC <<< [...] >>> Last update of WHOIS database: 2014-06-04T19:04:53-0700 <<< [...]