public List<String> listZone(final String source) {
final List<String> nameList = new LinkedList<String>();
final HostedZone zone = findZone(source);
if (zone == null) {
return nameList;
}
final ListResourceRecordSetsRequest request = new ListResourceRecordSetsRequest();
request.setHostedZoneId(zone.getId());
while (true) {
final ListResourceRecordSetsResult result = amazonClient
.listResourceRecordSets(request);