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 - Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
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 - Permission to use, copy, modify, and distribute this software for any
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<!-- $Id: named.conf.html,v 1.32 2007/01/26 23:29:04 marka Exp $ -->
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>named.conf</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.71.1">
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</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
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<a name="id2476275"></a><div class="titlepage"></div>
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<div class="refnamediv">
<h2>Name</h2>
<p><code class="filename">named.conf</code> &#8212; configuration file for named</p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="cmdsynopsis"><p><code class="command">named.conf</code> </p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2542039"></a><h2>DESCRIPTION</h2>
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<p><code class="filename">named.conf</code> is the configuration file
      for
      <span><strong class="command">named</strong></span>.  Statements are enclosed
      in braces and terminated with a semi-colon.  Clauses in
      the statements are also semi-colon terminated.  The usual
      comment styles are supported:
    </p>
<p>
      C style: /* */
    </p>
<p>
      C++ style: // to end of line
    </p>
<p>
      Unix style: # to end of line
    </p>
</div>
<div class="refsect1" lang="en">
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<a name="id2543364"></a><h2>ACL</h2>
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<div class="literallayout"><p><br>
acl<em class="replaceable"><code>string</code></em>{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543380"></a><h2>KEY</h2>
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<div class="literallayout"><p><br>
key<em class="replaceable"><code>domain_name</code></em>{<br>
	algorithm<em class="replaceable"><code>string</code></em>;<br>
	secret<em class="replaceable"><code>string</code></em>;<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543399"></a><h2>MASTERS</h2>
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<div class="literallayout"><p><br>
masters<em class="replaceable"><code>string</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
	(<em class="replaceable"><code>masters</code></em>|<em class="replaceable"><code>ipv4_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
	<em class="replaceable"><code>ipv6_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>])[<span class="optional">key<em class="replaceable"><code>string</code></em></span>];...<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543445"></a><h2>SERVER</h2>
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<div class="literallayout"><p><br>
server(<em class="replaceable"><code>ipv4_address[<span class="optional">/prefixlen</span>]</code></em>|<em class="replaceable"><code>ipv6_address[<span class="optional">/prefixlen</span>]</code></em>){<br>
	bogus<em class="replaceable"><code>boolean</code></em>;<br>
	edns<em class="replaceable"><code>boolean</code></em>;<br>
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	edns-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	max-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	provide-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	request-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	keys<em class="replaceable"><code>server_key</code></em>;<br>
	transfers<em class="replaceable"><code>integer</code></em>;<br>
	transfer-format(many-answers|one-answer);<br>
	transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
<br>
	support-ixfr<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543513"></a><h2>TRUSTED-KEYS</h2>
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<div class="literallayout"><p><br>
trusted-keys{<br>
	<em class="replaceable"><code>domain_name</code></em><em class="replaceable"><code>flags</code></em><em class="replaceable"><code>protocol</code></em><em class="replaceable"><code>algorithm</code></em><em class="replaceable"><code>key</code></em>;...<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543539"></a><h2>CONTROLS</h2>
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<div class="literallayout"><p><br>
controls{<br>
	inet(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>]<br>
		allow{<em class="replaceable"><code>address_match_element</code></em>;...}<br>
		[<span class="optional">keys{<em class="replaceable"><code>string</code></em>;...}</span>];<br>
	unix<em class="replaceable"><code>unsupported</code></em>;//notimplemented<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543574"></a><h2>LOGGING</h2>
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<div class="literallayout"><p><br>
logging{<br>
	channel<em class="replaceable"><code>string</code></em>{<br>
		file<em class="replaceable"><code>log_file</code></em>;<br>
		syslog<em class="replaceable"><code>optional_facility</code></em>;<br>
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		null;<br>
		stderr;<br>
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		severity<em class="replaceable"><code>log_severity</code></em>;<br>
		print-time<em class="replaceable"><code>boolean</code></em>;<br>
		print-severity<em class="replaceable"><code>boolean</code></em>;<br>
		print-category<em class="replaceable"><code>boolean</code></em>;<br>
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	};<br>
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	category<em class="replaceable"><code>string</code></em>{<em class="replaceable"><code>string</code></em>;...};<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543612"></a><h2>LWRES</h2>
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<div class="literallayout"><p><br>
lwres{<br>
	listen-on[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...<br>
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	};<br>
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	view<em class="replaceable"><code>string</code></em><em class="replaceable"><code>optional_class</code></em>;<br>
	search{<em class="replaceable"><code>string</code></em>;...};<br>
	ndots<em class="replaceable"><code>integer</code></em>;<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2543654"></a><h2>OPTIONS</h2>
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<div class="literallayout"><p><br>
options{<br>
	avoid-v4-udp-ports{<em class="replaceable"><code>port</code></em>;...};<br>
	avoid-v6-udp-ports{<em class="replaceable"><code>port</code></em>;...};<br>
	blackhole{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	coresize<em class="replaceable"><code>size</code></em>;<br>
	datasize<em class="replaceable"><code>size</code></em>;<br>
	directory<em class="replaceable"><code>quoted_string</code></em>;<br>
	dump-file<em class="replaceable"><code>quoted_string</code></em>;<br>
	files<em class="replaceable"><code>size</code></em>;<br>
	heartbeat-interval<em class="replaceable"><code>integer</code></em>;<br>
	host-statistics<em class="replaceable"><code>boolean</code></em>;//notimplemented<br>
	host-statistics-max<em class="replaceable"><code>number</code></em>;//notimplemented<br>
	hostname(<em class="replaceable"><code>quoted_string</code></em>|none);<br>
	interface-interval<em class="replaceable"><code>integer</code></em>;<br>
	listen-on[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	listen-on-v6[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	match-mapped-addresses<em class="replaceable"><code>boolean</code></em>;<br>
	memstatistics-file<em class="replaceable"><code>quoted_string</code></em>;<br>
	pid-file(<em class="replaceable"><code>quoted_string</code></em>|none);<br>
	port<em class="replaceable"><code>integer</code></em>;<br>
	querylog<em class="replaceable"><code>boolean</code></em>;<br>
	recursing-file<em class="replaceable"><code>quoted_string</code></em>;<br>
	random-device<em class="replaceable"><code>quoted_string</code></em>;<br>
	recursive-clients<em class="replaceable"><code>integer</code></em>;<br>
	serial-query-rate<em class="replaceable"><code>integer</code></em>;<br>
	server-id(<em class="replaceable"><code>quoted_string</code></em>|none|;<br>
	stacksize<em class="replaceable"><code>size</code></em>;<br>
	statistics-file<em class="replaceable"><code>quoted_string</code></em>;<br>
	statistics-interval<em class="replaceable"><code>integer</code></em>;//notyetimplemented<br>
	tcp-clients<em class="replaceable"><code>integer</code></em>;<br>
	tcp-listen-queue<em class="replaceable"><code>integer</code></em>;<br>
	tkey-dhkey<em class="replaceable"><code>quoted_string</code></em><em class="replaceable"><code>integer</code></em>;<br>
	tkey-gssapi-credential<em class="replaceable"><code>quoted_string</code></em>;<br>
	tkey-domain<em class="replaceable"><code>quoted_string</code></em>;<br>
	transfers-per-ns<em class="replaceable"><code>integer</code></em>;<br>
	transfers-in<em class="replaceable"><code>integer</code></em>;<br>
	transfers-out<em class="replaceable"><code>integer</code></em>;<br>
	use-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	version(<em class="replaceable"><code>quoted_string</code></em>|none);<br>
	allow-recursion{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	sortlist{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	topology{<em class="replaceable"><code>address_match_element</code></em>;...};//notimplemented<br>
	auth-nxdomain<em class="replaceable"><code>boolean</code></em>;//defaultchanged<br>
	minimal-responses<em class="replaceable"><code>boolean</code></em>;<br>
	recursion<em class="replaceable"><code>boolean</code></em>;<br>
	rrset-order{<br>
		[<span class="optional">class<em class="replaceable"><code>string</code></em></span>][<span class="optional">type<em class="replaceable"><code>string</code></em></span>]<br>
		[<span class="optional">name<em class="replaceable"><code>quoted_string</code></em></span>]<em class="replaceable"><code>string</code></em><em class="replaceable"><code>string</code></em>;...<br>
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	};<br>
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	provide-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	request-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	rfc2308-type1<em class="replaceable"><code>boolean</code></em>;//notyetimplemented<br>
	additional-from-auth<em class="replaceable"><code>boolean</code></em>;<br>
	additional-from-cache<em class="replaceable"><code>boolean</code></em>;<br>
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	query-source((<em class="replaceable"><code>ipv4_address</code></em>|*)|[<span class="optional">address(<em class="replaceable"><code>ipv4_address</code></em>|*)</span>])[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	query-source-v6((<em class="replaceable"><code>ipv6_address</code></em>|*)|[<span class="optional">address(<em class="replaceable"><code>ipv6_address</code></em>|*)</span>])[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
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	cleaning-interval<em class="replaceable"><code>integer</code></em>;<br>
	min-roots<em class="replaceable"><code>integer</code></em>;//notimplemented<br>
	lame-ttl<em class="replaceable"><code>integer</code></em>;<br>
	max-ncache-ttl<em class="replaceable"><code>integer</code></em>;<br>
	max-cache-ttl<em class="replaceable"><code>integer</code></em>;<br>
	transfer-format(many-answers|one-answer);<br>
	max-cache-size<em class="replaceable"><code>size_no_default</code></em>;<br>
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	max-acache-size<em class="replaceable"><code>size_no_default</code></em>;<br>
	clients-per-query<em class="replaceable"><code>number</code></em>;<br>
	max-clients-per-query<em class="replaceable"><code>number</code></em>;<br>
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	check-names(master|slave|response)<br>
		(fail|warn|ignore);<br>
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	check-mx(fail|warn|ignore);<br>
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	check-integrity<em class="replaceable"><code>boolean</code></em>;<br>
	check-mx-cname(fail|warn|ignore);<br>
	check-srv-cname(fail|warn|ignore);<br>
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	cache-file<em class="replaceable"><code>quoted_string</code></em>;//testoption<br>
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	suppress-initial-notify<em class="replaceable"><code>boolean</code></em>;//notyetimplemented<br>
	preferred-glue<em class="replaceable"><code>string</code></em>;<br>
	dual-stack-servers[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>quoted_string</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
		<em class="replaceable"><code>ipv4_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
		<em class="replaceable"><code>ipv6_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]);...<br>
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	};<br>
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	edns-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	max-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	root-delegation-only[<span class="optional">exclude{<em class="replaceable"><code>quoted_string</code></em>;...}</span>];<br>
	disable-algorithms<em class="replaceable"><code>string</code></em>{<em class="replaceable"><code>string</code></em>;...};<br>
	dnssec-enable<em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-validation<em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-lookaside<em class="replaceable"><code>string</code></em>trust-anchor<em class="replaceable"><code>string</code></em>;<br>
	dnssec-must-be-secure<em class="replaceable"><code>string</code></em><em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-accept-expired<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	empty-server<em class="replaceable"><code>string</code></em>;<br>
	empty-contact<em class="replaceable"><code>string</code></em>;<br>
	empty-zones-enable<em class="replaceable"><code>boolean</code></em>;<br>
	disable-empty-zone<em class="replaceable"><code>string</code></em>;<br>
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<br>
	dialup<em class="replaceable"><code>dialuptype</code></em>;<br>
	ixfr-from-differences<em class="replaceable"><code>ixfrdiff</code></em>;<br>
<br>
	allow-query{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-query-cache{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-transfer{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update-forwarding{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
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	update-check-ksk<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	notify<em class="replaceable"><code>notifytype</code></em>;<br>
	notify-source(<em class="replaceable"><code>ipv4_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-delay<em class="replaceable"><code>seconds</code></em>;<br>
	also-notify[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)<br>
		[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...};<br>
	allow-notify{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
<br>
	forward(first|only);<br>
	forwarders[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...<br>
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	};<br>
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<br>
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	max-journal-size<em class="replaceable"><code>size_no_default</code></em>;<br>
	max-transfer-time-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-time-out<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-out<em class="replaceable"><code>integer</code></em>;<br>
	max-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	min-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	max-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	min-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	multi-master<em class="replaceable"><code>boolean</code></em>;<br>
	sig-validity-interval<em class="replaceable"><code>integer</code></em>;<br>
<br>
	transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
<br>
	alt-transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	alt-transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	use-alt-transfer-source<em class="replaceable"><code>boolean</code></em>;<br>
<br>
	zone-statistics<em class="replaceable"><code>boolean</code></em>;<br>
	key-directory<em class="replaceable"><code>quoted_string</code></em>;<br>
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	try-tcp-refresh<em class="replaceable"><code>boolean</code></em>;<br>
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	zero-no-soa-ttl<em class="replaceable"><code>boolean</code></em>;<br>
	zero-no-soa-ttl-cache<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	allow-v6-synthesis{<em class="replaceable"><code>address_match_element</code></em>;...};//obsolete<br>
	deallocate-on-exit<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	fake-iquery<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	fetch-glue<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	has-old-clients<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	maintain-ixfr-base<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	max-ixfr-log-size<em class="replaceable"><code>size</code></em>;//obsolete<br>
	multiple-cnames<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	named-xfer<em class="replaceable"><code>quoted_string</code></em>;//obsolete<br>
	serial-queries<em class="replaceable"><code>integer</code></em>;//obsolete<br>
	treat-cr-as-space<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	use-id-pool<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2544400"></a><h2>VIEW</h2>
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<div class="literallayout"><p><br>
view<em class="replaceable"><code>string</code></em><em class="replaceable"><code>optional_class</code></em>{<br>
	match-clients{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	match-destinations{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	match-recursive-only<em class="replaceable"><code>boolean</code></em>;<br>
<br>
	key<em class="replaceable"><code>string</code></em>{<br>
		algorithm<em class="replaceable"><code>string</code></em>;<br>
		secret<em class="replaceable"><code>string</code></em>;<br>
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	};<br>
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<br>
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	zone<em class="replaceable"><code>string</code></em><em class="replaceable"><code>optional_class</code></em>{<br>
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		...<br>
	};<br>
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<br>
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	server(<em class="replaceable"><code>ipv4_address[<span class="optional">/prefixlen</span>]</code></em>|<em class="replaceable"><code>ipv6_address[<span class="optional">/prefixlen</span>]</code></em>){<br>
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		...<br>
	};<br>
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	trusted-keys{<br>
		<em class="replaceable"><code>string</code></em><em class="replaceable"><code>integer</code></em><em class="replaceable"><code>integer</code></em><em class="replaceable"><code>integer</code></em><em class="replaceable"><code>quoted_string</code></em>;...<br>
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	};<br>
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	allow-recursion{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	sortlist{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	topology{<em class="replaceable"><code>address_match_element</code></em>;...};//notimplemented<br>
	auth-nxdomain<em class="replaceable"><code>boolean</code></em>;//defaultchanged<br>
	minimal-responses<em class="replaceable"><code>boolean</code></em>;<br>
	recursion<em class="replaceable"><code>boolean</code></em>;<br>
	rrset-order{<br>
		[<span class="optional">class<em class="replaceable"><code>string</code></em></span>][<span class="optional">type<em class="replaceable"><code>string</code></em></span>]<br>
		[<span class="optional">name<em class="replaceable"><code>quoted_string</code></em></span>]<em class="replaceable"><code>string</code></em><em class="replaceable"><code>string</code></em>;...<br>
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	};<br>
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	provide-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	request-ixfr<em class="replaceable"><code>boolean</code></em>;<br>
	rfc2308-type1<em class="replaceable"><code>boolean</code></em>;//notyetimplemented<br>
	additional-from-auth<em class="replaceable"><code>boolean</code></em>;<br>
	additional-from-cache<em class="replaceable"><code>boolean</code></em>;<br>
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	query-source((<em class="replaceable"><code>ipv4_address</code></em>|*)|[<span class="optional">address(<em class="replaceable"><code>ipv4_address</code></em>|*)</span>])[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	query-source-v6((<em class="replaceable"><code>ipv6_address</code></em>|*)|[<span class="optional">address(<em class="replaceable"><code>ipv6_address</code></em>|*)</span>])[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
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	cleaning-interval<em class="replaceable"><code>integer</code></em>;<br>
	min-roots<em class="replaceable"><code>integer</code></em>;//notimplemented<br>
	lame-ttl<em class="replaceable"><code>integer</code></em>;<br>
	max-ncache-ttl<em class="replaceable"><code>integer</code></em>;<br>
	max-cache-ttl<em class="replaceable"><code>integer</code></em>;<br>
	transfer-format(many-answers|one-answer);<br>
	max-cache-size<em class="replaceable"><code>size_no_default</code></em>;<br>
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	max-acache-size<em class="replaceable"><code>size_no_default</code></em>;<br>
	clients-per-query<em class="replaceable"><code>number</code></em>;<br>
	max-clients-per-query<em class="replaceable"><code>number</code></em>;<br>
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	check-names(master|slave|response)<br>
		(fail|warn|ignore);<br>
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	check-mx(fail|warn|ignore);<br>
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	check-integrity<em class="replaceable"><code>boolean</code></em>;<br>
	check-mx-cname(fail|warn|ignore);<br>
	check-srv-cname(fail|warn|ignore);<br>
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	cache-file<em class="replaceable"><code>quoted_string</code></em>;//testoption<br>
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	suppress-initial-notify<em class="replaceable"><code>boolean</code></em>;//notyetimplemented<br>
	preferred-glue<em class="replaceable"><code>string</code></em>;<br>
	dual-stack-servers[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>quoted_string</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
		<em class="replaceable"><code>ipv4_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
		<em class="replaceable"><code>ipv6_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]);...<br>
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	};<br>
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	edns-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	max-udp-size<em class="replaceable"><code>integer</code></em>;<br>
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	root-delegation-only[<span class="optional">exclude{<em class="replaceable"><code>quoted_string</code></em>;...}</span>];<br>
	disable-algorithms<em class="replaceable"><code>string</code></em>{<em class="replaceable"><code>string</code></em>;...};<br>
	dnssec-enable<em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-validation<em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-lookaside<em class="replaceable"><code>string</code></em>trust-anchor<em class="replaceable"><code>string</code></em>;<br>
	dnssec-must-be-secure<em class="replaceable"><code>string</code></em><em class="replaceable"><code>boolean</code></em>;<br>
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	dnssec-accept-expired<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	empty-server<em class="replaceable"><code>string</code></em>;<br>
	empty-contact<em class="replaceable"><code>string</code></em>;<br>
	empty-zones-enable<em class="replaceable"><code>boolean</code></em>;<br>
	disable-empty-zone<em class="replaceable"><code>string</code></em>;<br>
<br>
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	dialup<em class="replaceable"><code>dialuptype</code></em>;<br>
	ixfr-from-differences<em class="replaceable"><code>ixfrdiff</code></em>;<br>
<br>
	allow-query{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-query-cache{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-transfer{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update-forwarding{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
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	update-check-ksk<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	notify<em class="replaceable"><code>notifytype</code></em>;<br>
	notify-source(<em class="replaceable"><code>ipv4_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-delay<em class="replaceable"><code>seconds</code></em>;<br>
	also-notify[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)<br>
		[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...};<br>
	allow-notify{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
<br>
	forward(first|only);<br>
	forwarders[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...<br>
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	};<br>
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	max-journal-size<em class="replaceable"><code>size_no_default</code></em>;<br>
	max-transfer-time-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-time-out<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-out<em class="replaceable"><code>integer</code></em>;<br>
	max-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	min-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	max-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	min-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	multi-master<em class="replaceable"><code>boolean</code></em>;<br>
	sig-validity-interval<em class="replaceable"><code>integer</code></em>;<br>
<br>
	transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
<br>
	alt-transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	alt-transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	use-alt-transfer-source<em class="replaceable"><code>boolean</code></em>;<br>
<br>
	zone-statistics<em class="replaceable"><code>boolean</code></em>;<br>
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	try-tcp-refresh<em class="replaceable"><code>boolean</code></em>;<br>
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	key-directory<em class="replaceable"><code>quoted_string</code></em>;<br>
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	zero-no-soa-ttl<em class="replaceable"><code>boolean</code></em>;<br>
	zero-no-soa-ttl-cache<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	allow-v6-synthesis{<em class="replaceable"><code>address_match_element</code></em>;...};//obsolete<br>
	fetch-glue<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	maintain-ixfr-base<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	max-ixfr-log-size<em class="replaceable"><code>size</code></em>;//obsolete<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2544967"></a><h2>ZONE</h2>
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<div class="literallayout"><p><br>
zone<em class="replaceable"><code>string</code></em><em class="replaceable"><code>optional_class</code></em>{<br>
	type(master|slave|stub|hint|<br>
		forward|delegation-only);<br>
	file<em class="replaceable"><code>quoted_string</code></em>;<br>
<br>
	masters[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>masters</code></em>|<br>
		<em class="replaceable"><code>ipv4_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]|<br>
		<em class="replaceable"><code>ipv6_address</code></em>[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>])[<span class="optional">key<em class="replaceable"><code>string</code></em></span>];...<br>
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	};<br>
<br>
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	database<em class="replaceable"><code>string</code></em>;<br>
	delegation-only<em class="replaceable"><code>boolean</code></em>;<br>
	check-names(fail|warn|ignore);<br>
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	check-mx(fail|warn|ignore);<br>
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	check-integrity<em class="replaceable"><code>boolean</code></em>;<br>
	check-mx-cname(fail|warn|ignore);<br>
	check-srv-cname(fail|warn|ignore);<br>
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	dialup<em class="replaceable"><code>dialuptype</code></em>;<br>
	ixfr-from-differences<em class="replaceable"><code>boolean</code></em>;<br>
	journal<em class="replaceable"><code>quoted_string</code></em>;<br>
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	zero-no-soa-ttl<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
	allow-query{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-transfer{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	allow-update-forwarding{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
	update-policy{<br>
		(grant|deny)<em class="replaceable"><code>string</code></em><br>
		(name|subdomain|wildcard|self)<em class="replaceable"><code>string</code></em><br>
		<em class="replaceable"><code>rrtypelist</code></em>;...<br>
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	};<br>
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	update-check-ksk<em class="replaceable"><code>boolean</code></em>;<br>
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<br>
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	notify<em class="replaceable"><code>notifytype</code></em>;<br>
	notify-source(<em class="replaceable"><code>ipv4_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	notify-delay<em class="replaceable"><code>seconds</code></em>;<br>
	also-notify[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)<br>
		[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...};<br>
	allow-notify{<em class="replaceable"><code>address_match_element</code></em>;...};<br>
<br>
	forward(first|only);<br>
	forwarders[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>]{<br>
		(<em class="replaceable"><code>ipv4_address</code></em>|<em class="replaceable"><code>ipv6_address</code></em>)[<span class="optional">port<em class="replaceable"><code>integer</code></em></span>];...<br>
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	};<br>
<br>
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	max-journal-size<em class="replaceable"><code>size_no_default</code></em>;<br>
	max-transfer-time-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-time-out<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-in<em class="replaceable"><code>integer</code></em>;<br>
	max-transfer-idle-out<em class="replaceable"><code>integer</code></em>;<br>
	max-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	min-retry-time<em class="replaceable"><code>integer</code></em>;<br>
	max-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	min-refresh-time<em class="replaceable"><code>integer</code></em>;<br>
	multi-master<em class="replaceable"><code>boolean</code></em>;<br>
	sig-validity-interval<em class="replaceable"><code>integer</code></em>;<br>
<br>
	transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
<br>
	alt-transfer-source(<em class="replaceable"><code>ipv4_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	alt-transfer-source-v6(<em class="replaceable"><code>ipv6_address</code></em>|*)<br>
		[<span class="optional">port(<em class="replaceable"><code>integer</code></em>|*)</span>];<br>
	use-alt-transfer-source<em class="replaceable"><code>boolean</code></em>;<br>
<br>
	zone-statistics<em class="replaceable"><code>boolean</code></em>;<br>
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	try-tcp-refresh<em class="replaceable"><code>boolean</code></em>;<br>
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	key-directory<em class="replaceable"><code>quoted_string</code></em>;<br>
<br>
	ixfr-base<em class="replaceable"><code>quoted_string</code></em>;//obsolete<br>
	ixfr-tmp-file<em class="replaceable"><code>quoted_string</code></em>;//obsolete<br>
	maintain-ixfr-base<em class="replaceable"><code>boolean</code></em>;//obsolete<br>
	max-ixfr-log-size<em class="replaceable"><code>size</code></em>;//obsolete<br>
	pubkey<em class="replaceable"><code>integer</code></em><em class="replaceable"><code>integer</code></em><em class="replaceable"><code>integer</code></em><em class="replaceable"><code>quoted_string</code></em>;//obsolete<br>
};<br>
</p></div>
</div>
<div class="refsect1" lang="en">
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<a name="id2545322"></a><h2>FILES</h2>
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<p><code class="filename">/etc/named.conf</code>
    </p>
</div>
<div class="refsect1" lang="en">
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<a name="id2545334"></a><h2>SEE ALSO</h2>
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<p><span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
      <span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
      <span class="citerefentry"><span class="refentrytitle">BIND 9 Administrator Reference Manual</span></span>.
    </p>
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