First pass at DS check tool
First pass at DS check tool

Currently hard-coded to check for 'isc.org'; later this will
be a command line argument.

each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9