Open A New Tree At Startup	If checked, WhatRoute will open a new Tree document each time it is started
Route Mapping Enabled	Dont attempt to plot routes on the map if not enabled
Default Tree Layout...	Jean-Pierre asked for it :-)
Use DNS LOC Information	Attempt to find geographical locations using the methods of RFC 1876 - Not reccommended as it is very slow and there are very few name-servers that have implemented this information
Negative Cache TTL	Don't attempt to find a domain's location if it has failed resolution.
Geography Server	The server at www.caida.org that provides a domain to location lookup service - Thanks KC :-)