diff --git a/dns/resolver.go b/dns/resolver.go
index 8f41a44e..89e36214 100644
--- a/dns/resolver.go
+++ b/dns/resolver.go
@@ -200,6 +200,7 @@ func (r *Resolver) exchangeWithoutCache(ctx context.Context, m *D.Msg) (msg *D.M
 
 		isIPReq := isIPRequest(q)
 		if isIPReq {
+			cache=true
 			return r.ipExchange(ctx, m)
 		}