Thanks to Jim
Reavis for this link.
“Your Domain Name Service is the road sign to your systems on
the Internet.
“No matter how secure and robust your web, mail and other
servers are, compromised and corrupted DNS systems can prevent
customers and legitimate users from ever reaching you.
“You need only go back two years in time to the summer of 1997,
when Eugene Kashpureff performed the mother of all DNS hacks, and
redirected all of the traffic destined to the Internic to his own
Alternic.net service.
“In this article, we provide detailed information and examples
of how to secure your DNS configuration, for both Bind 4.X and
8.X.”