system/checkconf/check-dup-records-fail.conf

/*
 * Copyright (C) 2014, 2016  Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

options {
  check-integrity yes; // default is yes
};

zone "check-dup-records" {
  type master;
  file "check-dup-records.db";
  check-dup-records fail;
};