Develop: domain secure, and performing secure Domain Name System (DNS) dynamic updates. Domain Name System Security Extensions
Servlet API Package
The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.
This package implements a redirection handler that allows webmasters to host multiple domains (and sub-domains) on a single hosting account, provided that webmaster have a static and exclusive IP address. PHP or ASP - MySQL, MS SQL Server or Access MDB.