code: public static base_responses update(nitro_service client, dnssoarec resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			dnssoarec updateresources[] = new dnssoarec[resources.length];
  			for (int i=0;i<resources.length;i++){
  				updateresources[i] = new dnssoarec();
  				updateresources[i].domain = resources[i].domain;
  				updateresources[i].originserver = resources[i].originserver;
  				updateresources[i].contact = resources[i].contact;
  				updateresources[i].serial = resources[i].serial;
  				updateresources[i].refresh = resources[i].refresh;
  				updateresources[i].retry = resources[i].retry;
  				updateresources[i].expire = resources[i].expire;
  				updateresources[i].minimum = resources[i].minimum;
  				updateresources[i].ttl = resources[i].ttl;
  			}
  			result = update_bulk_request(client, updateresources);
  		}
  		return result;
  	}
docs: Use this API to update dnssoarec resources.