diff --git a/nns/nns_contract.go b/nns/nns_contract.go
index 197ddfc..a76aaf0 100644
--- a/nns/nns_contract.go
+++ b/nns/nns_contract.go
@@ -509,12 +509,16 @@ func deleteRecords(ctx storage.Context, name string, typ RecordType) {
 	tokenID := []byte(tokenIDFromName(name))
 	ns := getNameState(ctx, tokenID)
 	ns.checkAdmin()
-
-	globalDomainStorage := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
-	globalDomainRaw := storage.Get(ctx, globalDomainStorage)
-	globalDomain := globalDomainRaw.(string)
-	if globalDomainRaw != nil && globalDomain != "" {
-		deleteDomain(ctx, globalDomain)
+	if typ == TXT {
+		globalDomainKey := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
+		globalDomainRaw := storage.Get(ctx, globalDomainKey)
+		if globalDomainRaw != nil {
+			globalDomain := globalDomainRaw.(string)
+			if globalDomain != "" {
+				deleteDomain(ctx, globalDomain)
+			}
+			storage.Delete(ctx, globalDomainKey)
+		}
 	}
 
 	recordsKey := getRecordsKeyByType(tokenID, name, typ)
@@ -550,13 +554,6 @@ func deleteDomain(ctx storage.Context, name string) {
 	ns := std.Deserialize(nsRaw.([]byte)).(NameState)
 	ns.checkAdmin()
 
-	globalNSKey := append([]byte{prefixGlobalDomain}, getTokenKey([]byte(name))...)
-	globalDomainRaw := storage.Get(ctx, globalNSKey)
-	globalDomain := globalDomainRaw.(string)
-	if globalDomainRaw != nil && globalDomain != "" {
-		deleteDomain(ctx, globalDomain)
-	}
-
 	deleteRecords(ctx, name, CNAME)
 	deleteRecords(ctx, name, TXT)
 	deleteRecords(ctx, name, A)