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18 <html>
19 <head>
20 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
21 <title>rndc</title>
22 <meta name="generator" content="DocBook XSL Stylesheets V1.71.1">
23 </head>
24 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en">
25 <a name="man.rndc"></a><div class="titlepage"></div>
26 <div class="refnamediv">
27 <h2>Name</h2>
28 <p><span class="application">rndc</span> &#8212; name server control utility</p>
29 </div>
30 <div class="refsynopsisdiv">
31 <h2>Synopsis</h2>
32 <div class="cmdsynopsis"><p><code class="command">rndc</code>  [<code class="option">-b <em class="replaceable"><code>source-address</code></em></code>] [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>] [<code class="option">-k <em class="replaceable"><code>key-file</code></em></code>] [<code class="option">-s <em class="replaceable"><code>server</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-V</code>] [<code class="option">-y <em class="replaceable"><code>key_id</code></em></code>] {command}</p></div>
33 </div>
34 <div class="refsect1" lang="en">
35 <a name="id2543418"></a><h2>DESCRIPTION</h2>
36 <p><span><strong class="command">rndc</strong></span>
37       controls the operation of a name
38       server.  It supersedes the <span><strong class="command">ndc</strong></span> utility
39       that was provided in old BIND releases.  If
40       <span><strong class="command">rndc</strong></span> is invoked with no command line
41       options or arguments, it prints a short summary of the
42       supported commands and the available options and their
43       arguments.
44     </p>
45 <p><span><strong class="command">rndc</strong></span>
46       communicates with the name server
47       over a TCP connection, sending commands authenticated with
48       digital signatures.  In the current versions of
49       <span><strong class="command">rndc</strong></span> and <span><strong class="command">named</strong></span>,
50       the only supported authentication algorithm is HMAC-MD5,
51       which uses a shared secret on each end of the connection.
52       This provides TSIG-style authentication for the command
53       request and the name server's response.  All commands sent
54       over the channel must be signed by a key_id known to the
55       server.
56     </p>
57 <p><span><strong class="command">rndc</strong></span>
58       reads a configuration file to
59       determine how to contact the name server and decide what
60       algorithm and key it should use.
61     </p>
62 </div>
63 <div class="refsect1" lang="en">
64 <a name="id2543453"></a><h2>OPTIONS</h2>
65 <div class="variablelist"><dl>
66 <dt><span class="term">-b <em class="replaceable"><code>source-address</code></em></span></dt>
67 <dd><p>
68             Use <em class="replaceable"><code>source-address</code></em>
69             as the source address for the connection to the server.
70             Multiple instances are permitted to allow setting of both
71             the IPv4 and IPv6 source addresses.
72           </p></dd>
73 <dt><span class="term">-c <em class="replaceable"><code>config-file</code></em></span></dt>
74 <dd><p>
75             Use <em class="replaceable"><code>config-file</code></em>
76             as the configuration file instead of the default,
77             <code class="filename">/etc/rndc.conf</code>.
78           </p></dd>
79 <dt><span class="term">-k <em class="replaceable"><code>key-file</code></em></span></dt>
80 <dd><p>
81             Use <em class="replaceable"><code>key-file</code></em>
82             as the key file instead of the default,
83             <code class="filename">/etc/rndc.key</code>.  The key in
84             <code class="filename">/etc/rndc.key</code> will be used to
85             authenticate
86             commands sent to the server if the <em class="replaceable"><code>config-file</code></em>
87             does not exist.
88           </p></dd>
89 <dt><span class="term">-s <em class="replaceable"><code>server</code></em></span></dt>
90 <dd><p><em class="replaceable"><code>server</code></em> is
91             the name or address of the server which matches a
92             server statement in the configuration file for
93             <span><strong class="command">rndc</strong></span>.  If no server is supplied on the
94             command line, the host named by the default-server clause
95             in the options statement of the <span><strong class="command">rndc</strong></span>
96             configuration file will be used.
97           </p></dd>
98 <dt><span class="term">-p <em class="replaceable"><code>port</code></em></span></dt>
99 <dd><p>
100             Send commands to TCP port
101             <em class="replaceable"><code>port</code></em>
102             instead
103             of BIND 9's default control channel port, 953.
104           </p></dd>
105 <dt><span class="term">-V</span></dt>
106 <dd><p>
107             Enable verbose logging.
108           </p></dd>
109 <dt><span class="term">-y <em class="replaceable"><code>key_id</code></em></span></dt>
110 <dd><p>
111             Use the key <em class="replaceable"><code>key_id</code></em>
112             from the configuration file.
113             <em class="replaceable"><code>key_id</code></em>
114             must be
115             known by named with the same algorithm and secret string
116             in order for control message validation to succeed.
117             If no <em class="replaceable"><code>key_id</code></em>
118             is specified, <span><strong class="command">rndc</strong></span> will first look
119             for a key clause in the server statement of the server
120             being used, or if no server statement is present for that
121             host, then the default-key clause of the options statement.
122             Note that the configuration file contains shared secrets
123             which are used to send authenticated control commands
124             to name servers.  It should therefore not have general read
125             or write access.
126           </p></dd>
127 </dl></div>
128 </div>
129 <div class="refsect1" lang="en">
130 <a name="id2543650"></a><h2>COMMANDS</h2>
131 <p>
132       A list of commands supported by <span><strong class="command">rndc</strong></span> can
133       be seen by running <span><strong class="command">rndc</strong></span> without arguments.
134     </p>
135 <p>
136       Currently supported commands are:
137     </p>
138 <div class="variablelist"><dl>
139 <dt><span class="term"><strong class="userinput"><code>reload</code></strong></span></dt>
140 <dd><p>
141             Reload configuration file and zones.
142           </p></dd>
143 <dt><span class="term"><strong class="userinput"><code>reload <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
144 <dd><p>
145             Reload the given zone.
146           </p></dd>
147 <dt><span class="term"><strong class="userinput"><code>refresh <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
148 <dd><p>
149             Schedule zone maintenance for the given zone.
150           </p></dd>
151 <dt><span class="term"><strong class="userinput"><code>retransfer <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
152 <dd>
153 <p>
154             Retransfer the given slave zone from the master server.
155           </p>
156 <p>
157             If the zone is configured to use
158             <span><strong class="command">inline-signing</strong></span>, the signed
159             version of the zone is discarded; after the
160             retransfer of the unsigned version is complete, the
161             signed version will be regenerated with all new
162             signatures.
163           </p>
164 </dd>
165 <dt><span class="term"><strong class="userinput"><code>sign <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
166 <dd>
167 <p>
168             Fetch all DNSSEC keys for the given zone
169             from the key directory (see the 
170             <span><strong class="command">key-directory</strong></span> option in
171             the BIND 9 Administrator Reference Manual).  If they are within
172             their publication period, merge them into the
173             zone's DNSKEY RRset.  If the DNSKEY RRset
174             is changed, then the zone is automatically
175             re-signed with the new key set.
176           </p>
177 <p>
178             This command requires that the
179             <span><strong class="command">auto-dnssec</strong></span> zone option be set
180             to <code class="literal">allow</code> or
181             <code class="literal">maintain</code>,
182             and also requires the zone to be configured to
183             allow dynamic DNS.
184             (See "Dynamic Update Policies" in the Administrator
185             Reference Manual for more details.)
186           </p>
187 </dd>
188 <dt><span class="term"><strong class="userinput"><code>loadkeys <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
189 <dd>
190 <p>
191             Fetch all DNSSEC keys for the given zone
192             from the key directory.  If they are within
193             their publication period, merge them into the
194             zone's DNSKEY RRset.  Unlike <span><strong class="command">rndc
195             sign</strong></span>, however, the zone is not
196             immediately re-signed by the new keys, but is
197             allowed to incrementally re-sign over time.
198           </p>
199 <p>
200             This command requires that the
201             <span><strong class="command">auto-dnssec</strong></span> zone option
202             be set to <code class="literal">maintain</code>,
203             and also requires the zone to be configured to
204             allow dynamic DNS.
205             (See "Dynamic Update Policies" in the Administrator
206             Reference Manual for more details.)
207           </p>
208 </dd>
209 <dt><span class="term"><strong class="userinput"><code>freeze [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
210 <dd><p>
211             Suspend updates to a dynamic zone.  If no zone is
212             specified, then all zones are suspended.  This allows
213             manual edits to be made to a zone normally updated by
214             dynamic update.  It also causes changes in the
215             journal file to be synced into the master file.
216             All dynamic update attempts will be refused while
217             the zone is frozen.
218           </p></dd>
219 <dt><span class="term"><strong class="userinput"><code>thaw [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
220 <dd><p>
221             Enable updates to a frozen dynamic zone.  If no
222             zone is specified, then all frozen zones are
223             enabled.  This causes the server to reload the zone
224             from disk, and re-enables dynamic updates after the
225             load has completed.  After a zone is thawed,
226             dynamic updates will no longer be refused.  If
227             the zone has changed and the
228             <span><strong class="command">ixfr-from-differences</strong></span> option is
229             in use, then the journal file will be updated to
230             reflect changes in the zone.  Otherwise, if the
231             zone has changed, any existing journal file will be
232             removed.
233           </p></dd>
234 <dt><span class="term"><strong class="userinput"><code>sync [<span class="optional">-clean</span>] [<span class="optional"><em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</span>]</code></strong></span></dt>
235 <dd><p>
236             Sync changes in the journal file for a dynamic zone
237             to the master file.  If the "-clean" option is
238             specified, the journal file is also removed.  If
239             no zone is specified, then all zones are synced.
240           </p></dd>
241 <dt><span class="term"><strong class="userinput"><code>notify <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>]</code></strong></span></dt>
242 <dd><p>
243             Resend NOTIFY messages for the zone.
244           </p></dd>
245 <dt><span class="term"><strong class="userinput"><code>reconfig</code></strong></span></dt>
246 <dd><p>
247             Reload the configuration file and load new zones,
248             but do not reload existing zone files even if they
249             have changed.
250             This is faster than a full <span><strong class="command">reload</strong></span> when there
251             is a large number of zones because it avoids the need
252             to examine the
253             modification times of the zones files.
254           </p></dd>
255 <dt><span class="term"><strong class="userinput"><code>stats</code></strong></span></dt>
256 <dd><p>
257             Write server statistics to the statistics file.
258           </p></dd>
259 <dt><span class="term"><strong class="userinput"><code>querylog</code></strong> [<span class="optional">on|off</span>] </span></dt>
260 <dd>
261 <p>
262             Enable or disable query logging.  (For backward
263             compatibility, this command can also be used without
264             an argument to toggle query logging on and off.)
265           </p>
266 <p>
267             Query logging can also be enabled
268             by explicitly directing the <span><strong class="command">queries</strong></span>
269             <span><strong class="command">category</strong></span> to a
270             <span><strong class="command">channel</strong></span> in the
271             <span><strong class="command">logging</strong></span> section of
272             <code class="filename">named.conf</code> or by specifying
273             <span><strong class="command">querylog yes;</strong></span> in the
274             <span><strong class="command">options</strong></span> section of
275             <code class="filename">named.conf</code>.
276           </p>
277 </dd>
278 <dt><span class="term"><strong class="userinput"><code>dumpdb [<span class="optional">-all|-cache|-zone</span>] [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>]</code></strong></span></dt>
279 <dd><p>
280             Dump the server's caches (default) and/or zones to
281             the
282             dump file for the specified views.  If no view is
283             specified, all
284             views are dumped.
285           </p></dd>
286 <dt><span class="term"><strong class="userinput"><code>secroots [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>]</code></strong></span></dt>
287 <dd><p>
288             Dump the server's security roots to the secroots
289             file for the specified views.  If no view is
290             specified, security roots for all
291             views are dumped.
292           </p></dd>
293 <dt><span class="term"><strong class="userinput"><code>stop [<span class="optional">-p</span>]</code></strong></span></dt>
294 <dd><p>
295             Stop the server, making sure any recent changes
296             made through dynamic update or IXFR are first saved to
297             the master files of the updated zones.
298             If <code class="option">-p</code> is specified <span><strong class="command">named</strong></span>'s process id is returned.
299             This allows an external process to determine when <span><strong class="command">named</strong></span>
300             had completed stopping.
301           </p></dd>
302 <dt><span class="term"><strong class="userinput"><code>halt [<span class="optional">-p</span>]</code></strong></span></dt>
303 <dd><p>
304             Stop the server immediately.  Recent changes
305             made through dynamic update or IXFR are not saved to
306             the master files, but will be rolled forward from the
307             journal files when the server is restarted.
308             If <code class="option">-p</code> is specified <span><strong class="command">named</strong></span>'s process id is returned.
309             This allows an external process to determine when <span><strong class="command">named</strong></span>
310             had completed halting.
311           </p></dd>
312 <dt><span class="term"><strong class="userinput"><code>trace</code></strong></span></dt>
313 <dd><p>
314             Increment the servers debugging level by one.
315           </p></dd>
316 <dt><span class="term"><strong class="userinput"><code>trace <em class="replaceable"><code>level</code></em></code></strong></span></dt>
317 <dd><p>
318             Sets the server's debugging level to an explicit
319             value.
320           </p></dd>
321 <dt><span class="term"><strong class="userinput"><code>notrace</code></strong></span></dt>
322 <dd><p>
323             Sets the server's debugging level to 0.
324           </p></dd>
325 <dt><span class="term"><strong class="userinput"><code>flush</code></strong></span></dt>
326 <dd><p>
327             Flushes the server's cache.
328           </p></dd>
329 <dt><span class="term"><strong class="userinput"><code>flushname</code></strong> <em class="replaceable"><code>name</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>] </span></dt>
330 <dd><p>
331             Flushes the given name from the server's DNS cache
332             and, if applicable, from the server's nameserver address
333             database or bad-server cache.
334           </p></dd>
335 <dt><span class="term"><strong class="userinput"><code>flushtree</code></strong> <em class="replaceable"><code>name</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>] </span></dt>
336 <dd><p>
337             Flushes the given name, and all of its subdomains,
338             from the server's DNS cache.  Note that this does
339             <span class="emphasis"><em>not</em></span> affect he server's address
340             database or bad-server cache.
341           </p></dd>
342 <dt><span class="term"><strong class="userinput"><code>status</code></strong></span></dt>
343 <dd><p>
344             Display status of the server.
345             Note that the number of zones includes the internal <span><strong class="command">bind/CH</strong></span> zone
346             and the default <span><strong class="command">./IN</strong></span>
347             hint zone if there is not an
348             explicit root zone configured.
349           </p></dd>
350 <dt><span class="term"><strong class="userinput"><code>recursing</code></strong></span></dt>
351 <dd><p>
352             Dump the list of queries <span><strong class="command">named</strong></span> is currently recursing
353             on.
354           </p></dd>
355 <dt><span class="term"><strong class="userinput"><code>validation ( on | off | check ) [<span class="optional"><em class="replaceable"><code>view ...</code></em></span>] </code></strong></span></dt>
356 <dd><p>
357             Enable, disable, or check the current status of
358             DNSSEC validation.
359             Note <span><strong class="command">dnssec-enable</strong></span> also needs to be
360             set to <strong class="userinput"><code>yes</code></strong> or
361             <strong class="userinput"><code>auto</code></strong> to be effective.
362             It defaults to enabled.
363           </p></dd>
364 <dt><span class="term"><strong class="userinput"><code>tsig-list</code></strong></span></dt>
365 <dd><p>
366             List the names of all TSIG keys currently configured
367             for use by <span><strong class="command">named</strong></span> in each view.  The
368             list both statically configured keys and dynamic
369             TKEY-negotiated keys.
370           </p></dd>
371 <dt><span class="term"><strong class="userinput"><code>tsig-delete</code></strong> <em class="replaceable"><code>keyname</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span></dt>
372 <dd><p>
373             Delete a given TKEY-negotiated key from the server.
374             (This does not apply to statically configured TSIG
375             keys.)
376           </p></dd>
377 <dt><span class="term"><strong class="userinput"><code>addzone <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] <em class="replaceable"><code>configuration</code></em> </code></strong></span></dt>
378 <dd>
379 <p>
380             Add a zone while the server is running.  This
381             command requires the
382             <span><strong class="command">allow-new-zones</strong></span> option to be set
383             to <strong class="userinput"><code>yes</code></strong>.  The
384             <em class="replaceable"><code>configuration</code></em> string
385             specified on the command line is the zone
386             configuration text that would ordinarily be
387             placed in <code class="filename">named.conf</code>.
388           </p>
389 <p>
390             The configuration is saved in a file called
391            <code class="filename"><em class="replaceable"><code>hash</code></em>.nzf</code>,
392             where <em class="replaceable"><code>hash</code></em> is a
393             cryptographic hash generated from the name of
394             the view.  When <span><strong class="command">named</strong></span> is
395             restarted, the file will be loaded into the view
396             configuration, so that zones that were added
397             can persist after a restart.
398           </p>
399 <p>
400             This sample <span><strong class="command">addzone</strong></span> command
401             would add the zone <code class="literal">example.com</code>
402             to the default view:
403           </p>
404 <p>
405 <code class="prompt">$ </code><strong class="userinput"><code>rndc addzone example.com '{ type master; file "example.com.db"; };'</code></strong>
406           </p>
407 <p>
408             (Note the brackets and semi-colon around the zone
409             configuration text.)
410           </p>
411 </dd>
412 <dt><span class="term"><strong class="userinput"><code>delzone <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] </code></strong></span></dt>
413 <dd><p>
414             Delete a zone while the server is running.
415             Only zones that were originally added via
416             <span><strong class="command">rndc addzone</strong></span> can be deleted
417             in this manner. 
418           </p></dd>
419 <dt><span class="term"><strong class="userinput"><code>signing [<span class="optional">( -list | -clear <em class="replaceable"><code>keyid/algorithm</code></em> | -clear <code class="literal">all</code> | -nsec3param ( <em class="replaceable"><code>parameters</code></em> | <code class="literal">none</code> ) ) </span>] <em class="replaceable"><code>zone</code></em> [<span class="optional"><em class="replaceable"><code>class</code></em> [<span class="optional"><em class="replaceable"><code>view</code></em></span>]</span>] </code></strong></span></dt>
420 <dd>
421 <p>
422             List, edit, or remove the DNSSEC signing state for 
423             the specified zone.  The status of ongoing DNSSEC
424             operations (such as signing or generating
425             NSEC3 chains) is stored in the zone in the form
426             of DNS resource records of type
427             <span><strong class="command">sig-signing-type</strong></span>. 
428             <span><strong class="command">rndc signing -list</strong></span> converts
429             these records into a human-readable form,
430             indicating which keys are currently signing
431             or have finished signing the zone, and which NSEC3
432             chains are being created or removed.
433           </p>
434 <p>
435             <span><strong class="command">rndc signing -clear</strong></span> can remove
436             a single key (specified in the same format that
437             <span><strong class="command">rndc signing -list</strong></span> uses to
438             display it), or all keys.  In either case, only
439             completed keys are removed; any record indicating
440             that a key has not yet finished signing the zone
441             will be retained.
442           </p>
443 <p>
444             <span><strong class="command">rndc signing -nsec3param</strong></span> sets
445             the NSEC3 parameters for a zone.  This is the
446             only supported mechanism for using NSEC3 with
447             <span><strong class="command">inline-signing</strong></span> zones.
448             Parameters are specified in the same format as
449             an NSEC3PARAM resource record: hash algorithm,
450             flags, iterations, and salt, in that order.
451           </p>
452 <p>
453             Currently, the only defined value for hash algorithm 
454             is <code class="literal">1</code>, representing SHA-1.
455             The <code class="option">flags</code> may be set to
456             <code class="literal">0</code> or <code class="literal">1</code>,
457             depending on whether you wish to set the opt-out
458             bit in the NSEC3 chain.  <code class="option">iterations</code>
459             defines the number of additional times to apply
460             the algorithm when generating an NSEC3 hash.  The
461             <code class="option">salt</code> is a string of data expressed
462             in hexadecimal, or a hyphen (`-') if no salt is
463             to be used.
464           </p>
465 <p>
466             So, for example, to create an NSEC3 chain using
467             the SHA-1 hash algorithm, no opt-out flag,
468             10 iterations, and a salt value of "FFFF", use:
469             <span><strong class="command">rndc signing -nsec3param 1 0 10 FFFF <em class="replaceable"><code>zone</code></em></strong></span>.
470             To set the opt-out flag, 15 iterations, and no
471             salt, use:
472             <span><strong class="command">rndc signing -nsec3param 1 1 15 - <em class="replaceable"><code>zone</code></em></strong></span>.
473           </p>
474 <p>
475             <span><strong class="command">rndc signing -nsec3param none</strong></span>
476             removes an existing NSEC3 chain and replaces it
477             with NSEC.
478           </p>
479 </dd>
480 </dl></div>
481 </div>
482 <div class="refsect1" lang="en">
483 <a name="id2544843"></a><h2>LIMITATIONS</h2>
484 <p>
485       There is currently no way to provide the shared secret for a
486       <code class="option">key_id</code> without using the configuration file.
487     </p>
488 <p>
489       Several error messages could be clearer.
490     </p>
491 </div>
492 <div class="refsect1" lang="en">
493 <a name="id2542131"></a><h2>SEE ALSO</h2>
494 <p><span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
495       <span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
496       <span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
497       <span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
498       <span class="citerefentry"><span class="refentrytitle">ndc</span>(8)</span>,
499       <em class="citetitle">BIND 9 Administrator Reference Manual</em>.
500     </p>
501 </div>
502 <div class="refsect1" lang="en">
503 <a name="id2545190"></a><h2>AUTHOR</h2>
504 <p><span class="corpauthor">Internet Systems Consortium</span>
505     </p>
506 </div>
507 </div></body>
508 </html>