Method Name: listZones
Description: List all zones associated with account
WSDL URL: https://api.durabledns.com/services/dns/listZones.php?wsdl
apiuser —— Value for authentication – Provided by DurableDNS on the Dashboard
apikey —— Value for authentication – Provided by DurableDNS on the Dashboard
Returns an array for each zone
origin —— Name of zone