Consulteu Servidor_DNS#DNSSEC
[0] A comprehensive Threat Analysis of the Domain Name System can be found in RFC 3833. This RFC attempts to describe some of the known threats to the DNS, and --in doing so-- attempts to measure to what extent DNSSEC is a useful tool in defending against these threats.
More information (research, publications, links) about DNS Weaknesses can be found in the DNS Threats section.
Acacha Wiki