@@ -253,5 +253,17 @@
 	    of_dns_resource_record_class_to_string(_recordClass),
 	    of_dns_resource_record_type_to_string(_recordType), _preference,
 	    _data, _TTL];
 }
 @end
+
+@implementation OFNSDNSResourceRecord
+@dynamic data;
+@end
+
+@implementation OFPTRDNSResourceRecord
+@dynamic data;
+@end
+
+@implementation OFTXTDNSResourceRecord
+@dynamic data;
+@end