code: public static dnsptrrec[] get(nitro_service service, String reversedomain[]) throws Exception{
  		if (reversedomain !=null && reversedomain.length>0) {
  			dnsptrrec response[] = new dnsptrrec[reversedomain.length];
  			dnsptrrec obj[] = new dnsptrrec[reversedomain.length];
  			for (int i=0;i<reversedomain.length;i++) {
  				obj[i] = new dnsptrrec();
  				obj[i].set_reversedomain(reversedomain[i]);
  				response[i] = (dnsptrrec) obj[i].get_resource(service);
  			}
  			return response;
  		}
  		return null;
  	}
docs: Use this API to fetch dnsptrrec resources of given names .