UDRPLaw article on Go Daddy’s Domain By Proxy service, which allows the domain name registrant to keep his, her or its identity secret.  Great for limiting spam, that much harder to police the web. 

The inability to easily reconcile the domain name registrant’s privacy concerns with the public policy interest against anonymity in commerce, is, in my view, one more argument against unrestricted TLDs.  Commercial and residential zoning are often incompatible.