class Dnsruby::Config

Description

The Config class determines the system configuration for DNS.
In particular, it determines the nameserver to target queries to.

It also specifies whether and how the search list and default
domain should be applied to queries, according to the following
algorithm :
The Config class has now been modified for lazy loading. Previously, the config
was loaded when a Resolver was instantiated. Now, the config is only loaded if
a query is performed (or a config parameter requested on) a Resolver which has
not yet been configured.