diff --git a/lib/dns/include/dns/types.h b/lib/dns/include/dns/types.h
index 74e9811b55..811d583de0 100644
--- a/lib/dns/include/dns/types.h
+++ b/lib/dns/include/dns/types.h
@@ -84,6 +84,10 @@ typedef enum {
 	dns_bitlabel_1 = 1
 } dns_bitlabel_t;
 
+typedef enum {
+	dns_one_answer, dns_many_answers
+} dns_transfer_format_t;
+
 typedef enum {
 	dns_namereln_none = 0,
 	dns_namereln_contains = 1,
@@ -99,6 +103,7 @@ typedef enum {
  */
 
 enum {
+	dns_rdatatype_none = 0,
 	TYPEENUM
 	dns_rdatatype_ixfr = 251,
 	dns_rdatatype_axfr = 252,