diff --git a/lib/dns/include/dns/result.h b/lib/dns/include/dns/result.h
index 555a8486e9..6efa216d4b 100644
--- a/lib/dns/include/dns/result.h
+++ b/lib/dns/include/dns/result.h
@@ -95,8 +95,9 @@
 #define DNS_R_USETCP			(ISC_RESULTCLASS_DNS + 58)
 #define DNS_R_NOVALIDSIG		(ISC_RESULTCLASS_DNS + 59)
 #define DNS_R_NOVALIDNXT		(ISC_RESULTCLASS_DNS + 60)
+#define DNS_R_NOTINSECURE		(ISC_RESULTCLASS_DNS + 61)
 
-#define DNS_R_NRESULTS			61	/* Number of results */
+#define DNS_R_NRESULTS			62	/* Number of results */
 
 /*
  * DNS wire format rcodes
diff --git a/lib/dns/result.c b/lib/dns/result.c
index 5032369d49..202fb8edc4 100644
--- a/lib/dns/result.c
+++ b/lib/dns/result.c
@@ -84,7 +84,8 @@ static char *text[DNS_R_NRESULTS] = {
 	"alias",				/* 57 */
 	"use TCP",				/* 58 */
 	"no valid SIG",				/* 59 */
-	"no valid NXT"				/* 60 */
+	"no valid NXT",				/* 60 */
+	"not insecure"				/* 61 */
 };
 
 static char *rcode_text[DNS_R_NRCODERESULTS] = {