Add

gcd-add [-o] <ZONE> <RECORD> <IP>

Add a record, by default create A records with a TTL of 300.
-o will enable overwriting a current record if it exists.

Del

gcd-del <ZONE> <RECORD>

Delete matching record RECORD must be a whole match... allow for ending ..

Allow for...

gcd-<CMD> <ZONE> --OPTION1 ARGUMENT1 --OPTION2 ARGUMENT2