Here is a list of all modules:
 extDns Cache: DNS cache support
 ext-DNS Context: library context handling
 Handlers : handler definitions used by ext-dns API
 extDns IO: extDns Library IO abstraction layer
 extDns Message: API functions to handle and produce DNS requsts and replies
 extDns Reader: The module that reads you frames.
 extDns Session: API function to start and handle DNS sessions
 extDns Thread Pool: Pool of threads which runns user defined async notifications.
 ext-DNS Thread: Portable threading API for ext-dns
 extDns Types: type definitions used by the library
 Main: basic initialization and common functions