diff --git a/resolver.go b/resolver.go
index 9c959766..57d142a8 100644
--- a/resolver.go
+++ b/resolver.go
@@ -525,6 +525,7 @@ func (r *Resolver) exchange(server *cache.AuthServer, req *dns.Msg, c *dns.Clien
 }
 
 func (r *Resolver) searchCache(q dns.Question, cd bool) (servers *cache.AuthServers, parentdsrr []dns.RR) {
+	q.Qtype = dns.TypeNS // we should look NS type caches
 	key := cache.Hash(q, cd)
 
 	ns, err := r.Ncache.Get(key)
diff --git a/utils.go b/utils.go
index dc5ee8df..0c9a4444 100644
--- a/utils.go
+++ b/utils.go
@@ -154,6 +154,7 @@ func verifyDS(keyMap map[uint16]*dns.DNSKEY, parentDSSet []dns.RR) error {
 		if !present {
 			continue
 		}
+		//TODO: miek dns lib doesn't support GOST 34.11 currently
 		ds := ksk.ToDS(parentDS.DigestType)
 		if ds == nil {
 			if i != len(parentDSSet)-1 {