/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * 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 https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

{% include "_common/controls.conf.j2" %}

options {
	{% include_indented "_common/options.conf.j2" %}
	dnssec-validation no;
	qname-minimization off;

	stale-answer-enable yes;
	stale-cache-enable yes;
	max-stale-ttl 3600;

	stale-answer-client-timeout off;
	stale-refresh-time 30;

	# Cap the resolver timeout so the stale-CNAME checks that force a
	# resolver failure do not each block for the 10s default.
	resolver-query-timeout 2000;

	max-cache-ttl 300;
	max-ncache-ttl 300;
};

zone "." {
	type hint;
	file "root.db";
};

// Authoritative zone: nonexist.target.stale -> NXDOMAIN
zone "target.stale" {
	type primary;
	file "target.stale.db";
};

// Forward source.stale queries to ans2
zone "source.stale" {
	type forward;
	forward only;
	forwarders { 10.53.0.2 port @PORT@; };
};