<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>tail end of dig +trace:</div><div><br></div><div>142.139.in-addr.arpa.<span class="Apple-tab-span" style="white-space:pre"> </span>86400<span class="Apple-tab-span" style="white-space:pre"> </span>IN<span class="Apple-tab-span" style="white-space:pre"> </span>NS<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://ns1.clgrab.grouptelecom.net">ns1.clgrab.grouptelecom.net</a>.</div><div>142.139.in-addr.arpa.<span class="Apple-tab-span" style="white-space:pre"> </span>86400<span class="Apple-tab-span" style="white-space:pre"> </span>IN<span class="Apple-tab-span" style="white-space:pre"> </span>NS<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://ns2.toroon.grouptelecom.net">ns2.toroon.grouptelecom.net</a>.</div><div>;; Received 111 bytes from 199.71.0.63#53(199.71.0.63) in 153 ms</div><div><br></div><div>10.184.142.139.in-addr.arpa. 86400 IN<span class="Apple-tab-span" style="white-space:pre"> </span>CNAME<span class="Apple-tab-span" style="white-space:pre"> </span>10.0-25.184.142.139.in-addr.arpa.</div><div>0-25.184.142.139.in-addr.arpa. 86400 IN<span class="Apple-tab-span" style="white-space:pre"> </span>NS<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://saturn.acrodex.com">saturn.acrodex.com</a>.</div><div>0-25.184.142.139.in-addr.arpa. 86400 IN<span class="Apple-tab-span" style="white-space:pre"> </span>NS<span class="Apple-tab-span" style="white-space:pre"> </span><a href="http://pluto.acrodex.com">pluto.acrodex.com</a>.</div></div><div><br></div><div><br></div><div><br></div><div>Looks like it's been delegated rfc2317-style to <a href="http://saturn.acrodex.com">saturn.acrodex.com</a> and <a href="http://pluto.acrodex.com">pluto.acrodex.com</a>:</div><div><br></div><div><div>pluto seems to work for direct queries:</div><div><br></div><div><div>ga-vl-mkt2131:~ rgoodson$ dig +norec @<a href="http://pluto.acrodex.com">pluto.acrodex.com</a> 10.184.142.139.in-addr.arpa PTR</div><div><br></div><div>; <<>> DiG 9.8.3-P1 <<>> +norec @<a href="http://pluto.acrodex.com">pluto.acrodex.com</a> 10.184.142.139.in-addr.arpa PTR</div><div>; (1 server found)</div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37966</div><div>;; flags: qr ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0</div><div><br></div><div>;; QUESTION SECTION:</div><div>;10.184.142.139.in-addr.arpa.<span class="Apple-tab-span" style="white-space: pre; "> </span>IN<span class="Apple-tab-span" style="white-space: pre; "> </span>PTR</div><div><br></div><div>;; ANSWER SECTION:</div><div>10.184.142.139.in-addr.arpa. 30459 IN<span class="Apple-tab-span" style="white-space: pre; "> </span>CNAME<span class="Apple-tab-span" style="white-space: pre; "> </span>10.0-25.184.142.139.in-addr.arpa.</div><div>10.0-25.184.142.139.in-addr.arpa. 3600 IN PTR<span class="Apple-tab-span" style="white-space: pre; "> </span><a href="http://webmail.acrodex.com">webmail.acrodex.com</a>.</div><div><br></div><div>;; Query time: 129 msec</div><div>;; SERVER: 139.142.184.4#53(139.142.184.4)</div><div>;; WHEN: Thu Feb 7 11:50:33 2013</div><div>;; MSG SIZE rcvd: 100</div></div></div><div><br></div><div><br></div><div>but I get SERVFAIL from saturn</div><div><br></div><div><div>ga-vl-mkt2131:~ rgoodson$ dig +norec @<a href="http://saturn.acrodex.com">saturn.acrodex.com</a> 10.184.142.139.in-addr.arpa PTR</div><div><br></div><div>; <<>> DiG 9.8.3-P1 <<>> +norec @<a href="http://saturn.acrodex.com">saturn.acrodex.com</a> 10.184.142.139.in-addr.arpa PTR</div><div>; (1 server found)</div><div>;; global options: +cmd</div><div>;; Got answer:</div><div>;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 36190</div><div>;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0</div><div><br></div><div>;; QUESTION SECTION:</div><div>;10.184.142.139.in-addr.arpa.<span class="Apple-tab-span" style="white-space:pre"> </span>IN<span class="Apple-tab-span" style="white-space:pre"> </span>PTR</div><div><br></div><div>;; Query time: 90 msec</div><div>;; SERVER: 204.191.11.5#53(204.191.11.5)</div><div>;; WHEN: Thu Feb 7 11:49:48 2013</div><div>;; MSG SIZE rcvd: 45</div></div><div><br></div><div><br></div><div apple-content-edited="true">
<div><div>--</div><div>Rich Goodson</div><div>Sr. Unix System Administrator</div><div>Mediacom Communications</div><div>2195 Ingersoll Ave</div><div>Des Moines, IA 50312</div><div>5-7109 Internal</div><div>515/246-2284 Office</div><div>515/783-1684 Cell</div><div><a href="mailto:rgoodson@mediacomcc.com">rgoodson@mediacomcc.com</a></div><div>sudo [ $[ $RANDOM % 6 ] == 0 ] && rm -rf / || echo "You live"</div><div>--Russian roulette in BASH</div></div>
</div>
<br><div><div>On Feb 7, 2013, at 11:38 AM, Sten Carlsen <<a href="mailto:stenc@s-carlsen.dk">stenc@s-carlsen.dk</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type">
<div bgcolor="#FFFFCC" text="#000000">
It does not resolve from my IP, probably there is no reverse entry.<br>
<br>
<br>
<div class="moz-cite-prefix">On 07/02/13 18:31, Jim Pazarena wrote:<br>
</div>
<blockquote cite="mid:5113E4D9.6060107@paz.bz" type="cite">my named
is 9.9.0
<br>
<br>
while it can resolve "<a href="http://webmail.acrodex.com">webmail.acrodex.com</a>" ( 139.142.184.10 )
<br>
<br>
it cannot reverse resolve 139.142.184.10
<br>
<br>
(example follows).
<br>
However, if I do a simply nslookup using goodle DNS.
<br>
nslookup 139.142.184.10 8.8.8.8
<br>
IT WORKS!
<br>
<br>
Can anyone suggest where I may be going wrong with this?
<br>
my "dig" response follows.
<br>
Many thanks!
<br>
<br>
Jim
<br>
<br>
mail# dig -x 139.142.184.10
<br>
<br>
; <<>> DiG 9.9.0 <<>> -x 139.142.184.10
<br>
;; global options: +cmd
<br>
;; Got answer:
<br>
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id:
49017
<br>
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL:
1
<br>
<br>
;; OPT PSEUDOSECTION:
<br>
; EDNS: version: 0, flags:; udp: 4096
<br>
;; QUESTION SECTION:
<br>
;10.184.142.139.in-addr.arpa. IN PTR
<br>
<br>
;; Query time: 125 msec
<br>
;; SERVER: 207.34.147.93#53(207.34.147.93)
<br>
;; WHEN: Thu Feb 7 09:30:12 2013
<br>
;; MSG SIZE rcvd: 56
<br>
<br>
mail#
<br>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Best regards
Sten Carlsen
No improvements come from shouting:
"MALE BOVINE MANURE!!!"
</pre>
</div>
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