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.
A web site, and related applications to centralize your IP.
The web site is powered by a database that holds users ip addesses. A user can log on to the site and get his/her ip, and links to servers on his/her computer.