Ibrahim Haddad and David Gordon in an O'Reilly article.
"Securing DNS is important in order to deal with the various
threats originating from the Internet, threats that the original
DNS design did not anticipate. One technique for securing DNS is
through DNS Security Extensions (DNSSEC), a set of extensions to
DNS that provide authenticity and integrity. In this article, we
will provide an overview of DNS and DNSSEC and a step-by-step
tutorial that gives you the needed instructions to secure your
own DNS servers with DNSSEC. to post comments)