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On 11/7/2017 12:59 PM, Matthew Pounsett wrote:<br>
<blockquote type="cite"
cite="mid:CAAiTEH-vL7eS8mNBnJhpBq6LZwXqUVzN8ohJ5zu38U9EuMdMOg@mail.gmail.com">
<div dir="ltr"><br>
<div class="gmail_extra"><br>
<div class="gmail_quote">On 7 November 2017 at 10:31, James
Pifer <span dir="ltr"><<a
href="mailto:jep@obrien-pifer.com" target="_blank"
moz-do-not-send="true">jep@obrien-pifer.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">Hello. I'm looking for
help with an issue I've been fighting for some time.<br>
<br>
Background:<br>
Running BIND 9.9.<br>
Forwarding UDP & TCP Port 53 through firewall.<br>
<br>
I have issues emailing to certain domains. I use my own
mail server to deliver mail. It is currently not sending
through SMTP Relay. The failure says that I have a missing
PTR record. For example:<br>
</blockquote>
<div><br>
</div>
<div>You may have configured reverse DNS on your DNS server,
but that reverse DNS zone is not delegated to you, so
nobody else's DNS server will ever query yours for that
PTR record. It's being managed by <a
href="http://swbell.net" moz-do-not-send="true">swbell.net</a>,
who returns NXDOMAIN for that lookup.</div>
<div><br>
</div>
<div>I'm presuming <a href="http://swbell.net"
moz-do-not-send="true">swbell.net</a> is your ISP. You
either need to get them to delegate reverse DNS for your
address block to you, or have them set up the PTR
record(s) you require in their DNS.</div>
<div><br>
</div>
<div>
<div><font face="monospace, monospace">; <<>>
DiG 9.11.2 <<>> +trace -x 108.212.144.25</font></div>
<div><font face="monospace, monospace">;; global options:
+cmd</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://h.root-servers.net"
moz-do-not-send="true">h.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://a.root-servers.net"
moz-do-not-send="true">a.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://c.root-servers.net"
moz-do-not-send="true">c.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://g.root-servers.net"
moz-do-not-send="true">g.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://i.root-servers.net"
moz-do-not-send="true">i.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://m.root-servers.net"
moz-do-not-send="true">m.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://d.root-servers.net"
moz-do-not-send="true">d.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://e.root-servers.net"
moz-do-not-send="true">e.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://k.root-servers.net"
moz-do-not-send="true">k.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://j.root-servers.net"
moz-do-not-send="true">j.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://l.root-servers.net"
moz-do-not-send="true">l.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://b.root-servers.net"
moz-do-not-send="true">b.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://f.root-servers.net"
moz-do-not-send="true">f.root-servers.net</a>.</font></div>
<div><font face="monospace, monospace">.<span style="white-space:pre"> </span>223262<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>RRSIG<span style="white-space:pre"> </span>NS
8 0 518400 20171119210000 20171106200000 46809 .
OL3PH3LpCrgzyohVZas9X42iwOpXsYD8CRkNiJZ1Oy6jwIfb8Shy57XN
5noPxtghdHBLutGBIdMwL2rA5AR2yaaVgRC6TM0eSqeixFFeETu6EV89
ZpBgSDNSVL1fmwnSoni1mZRj+F0iLT+Q+t/DveqVwh4o/2czWsnfiqTk
89jZRB30W3Ja9E4EMNW1+WNCkib1KTFvnwwgfYGPtjyFSUIQrv1vOByN
R3Yu11YYkgauY0Q5C7vcUkchwsDlkaWIgnvEZQXRUM3Ibi1QX6kq1g6Q
JW9mSzf7YqrPfU90HId+TSfuvTL4MrkN81iQXSl37+sldtJzDSKOKQij 7Wj1hg==</font></div>
<div><font face="monospace, monospace">;; Received 525
bytes from 8.8.8.8#53(8.8.8.8) in 7 ms</font></div>
<div><font face="monospace, monospace"><br>
</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>e.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>f.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>d.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>c.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>b.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>172800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span>a.in-addr-servers.arpa.</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>DS<span style="white-space:pre"> </span>53696
8 2
13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D
424F04DF</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>DS<span style="white-space:pre"> </span>63982
8 2
AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D0
30733C73</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>DS<span style="white-space:pre"> </span>47054
8 2
5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F2
81CBC6F2</font></div>
<div><font face="monospace, monospace">in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>RRSIG<span style="white-space:pre"> </span>DS
8 2 86400 20171120120000 20171107110000 36264 arpa.
VMG4mxJ1Kdcm4QsK/i8qP+EzIubfzl2Hlo9hG1aDAZ8/y+GIKz+bYGVG
f1wZKCZAfFPMrDBIVAhghK3eTQooY12oUEGICksbtSukvDQcL6LwqZKf
yfPuSW29Qj+hsdmeDZAwRiaCjAeMf5tucgX7yr9SD08gCTJcaPltjdlv
QuM=</font></div>
<div><font face="monospace, monospace">;; Received 740
bytes from 198.41.0.4#53(<a
href="http://a.root-servers.net"
moz-do-not-send="true">a.root-servers.net</a>) in 18
ms</font></div>
<div><font face="monospace, monospace"><br>
</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://r.arin.net" moz-do-not-send="true">r.arin.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://u.arin.net" moz-do-not-send="true">u.arin.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://x.arin.net" moz-do-not-send="true">x.arin.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://y.arin.net" moz-do-not-send="true">y.arin.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://z.arin.net" moz-do-not-send="true">z.arin.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://arin.authdns.ripe.net"
moz-do-not-send="true">arin.authdns.ripe.net</a>.</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>DS<span style="white-space:pre"> </span>42060
5 1 DCD6C8C3D6F68C6A4495EA2C1C5DA76BBCB466E2</font></div>
<div><font face="monospace, monospace">108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>RRSIG<span style="white-space:pre"> </span>DS
8 3 86400 20171114073514 20171024172923 50761
in-addr.arpa.
l8UaM1j4VZ14OnIdBoH7b3xgFPyueh6A82423FAp53ohpOf+enHrh26s
O0Vaq3LnIk3fTED6bspZCour38srNTmWWKvYRSzAQ+vAsarAo//Cma4U
nCLAQAJqQRrUzQ2ZXC/AZoC+E0jfyA0saXC3mQb76+iwPx8hLJnw6wD1
Vhj/mwU=</font></div>
<div><font face="monospace, monospace">;; Received 387
bytes from 203.119.86.101#53(e.in-addr-servers.arpa)
in 236 ms</font></div>
<div><font face="monospace, monospace"><br>
</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://ns1.swbell.net" moz-do-not-send="true">ns1.swbell.net</a>.</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://ns3.sbcglobal.net"
moz-do-not-send="true">ns3.sbcglobal.net</a>.</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>86400<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NS<span style="white-space:pre"> </span><a
href="http://ns2.swbell.net" moz-do-not-send="true">ns2.swbell.net</a>.</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>10800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>NSEC<span style="white-space:pre"> </span>213.108.in-addr.arpa.
NS RRSIG NSEC</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>10800<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>RRSIG<span style="white-space:pre"> </span>NSEC
5 4 10800 20171121173125 20171107163125 14796
108.in-addr.arpa.
aTXD4vS9gVjOP9uzozcUdXhSFuCXKqKUKUpZnHuStZO7QPqXKnB8EOoj
F0lRJDkdvGNng/BwMLj22EFC3kWtFhOTLl2l6oq7tjb+fhGJCWCY5Pbp
Cyc3VSiIU7wCPa2HDJbYMTLKLm4UZOBA1Mlp+0rcGDosGcnqmRl7oGNh
Y6A=</font></div>
<div><font face="monospace, monospace">;; Received 348
bytes from 192.82.134.30#53(<a
href="http://y.arin.net" moz-do-not-send="true">y.arin.net</a>)
in 18 ms</font></div>
<div><font face="monospace, monospace"><br>
</font></div>
<div><font face="monospace, monospace">212.108.in-addr.arpa.<span style="white-space:pre"> </span>3600<span style="white-space:pre"> </span>IN<span style="white-space:pre"> </span>SOA<span style="white-space:pre"> </span><a
href="http://ns1.swbell.net" moz-do-not-send="true">ns1.swbell.net</a>.
<a href="http://rm-hostmaster.ems.att.com"
moz-do-not-send="true">rm-hostmaster.ems.att.com</a>.
21 10800 900 604800 7200</font></div>
<div><font face="monospace, monospace">;; Received 131
bytes from 65.68.49.6#53(<a
href="http://ns3.sbcglobal.net"
moz-do-not-send="true">ns3.sbcglobal.net</a>) in 92
ms</font></div>
</div>
</div>
</div>
</div>
</blockquote>
<br>
Thank you for the response. That makes sense. Guess I will see how
accommodating AT&T is... <br>
<br>
Thank you to John and Reindl for responding as well. <br>
<br>
James<br>
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