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<p class="MsoNormal"><span lang="EN-NZ">I am struggling with trying to understand what is supposed to happen with dynamic DNS updates when the client is running dual stack. Has anyone dug deep enough to give an overview of expected behaviour. I am starting
to suspect that the IPv4 daemon is removing the AAAAs but have no evidence yet to back that up (e.g. named debug logs )<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">I currently have update-conflict-detection to false for the IPv6 daemon.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">What I am seeing;<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-NZ"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-NZ">DDNS for PTR always succeeds – as expected.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-NZ"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-NZ">DDNS for A resource would appear to succeed when attempted – probably as expected.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-NZ"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-NZ">DDNS for AAAA not always attempted appears to succeed when it is.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-NZ"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-NZ">AAAA resources mysteriously disappear, sometimes almost instantly (assuming the update did in fact work ) and sometime some time later.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">05-Apr-2012 15:11:03.883 update: info: client 130.123.131.13#61475: updating zone 'massey.ac.nz/IN': deleting rrset at 'tur-applrnd4.massey.ac.nz' AAAA<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">05-Apr-2012 15:11:03.883 update: info: client 130.123.131.13#61475: updating zone 'massey.ac.nz/IN': adding an RR at 'tur-applrnd4.massey.ac.nz' AAAA<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.2.rc1.fc16 <<>> tur-applrnd4.massey.ac.nz any<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; global options: +cmd<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; Got answer:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16881<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; QUESTION SECTION:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;tur-applrnd4.massey.ac.nz. IN ANY<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; ANSWER SECTION:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">tur-applrnd4.massey.ac.nz. 3600 IN TXT "02a11823540d172503543bd1ba7b275308"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">tur-applrnd4.massey.ac.nz. 7200 IN A 130.123.131.60<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-NZ">;; AUTHORITY SECTION:<o:p></o:p></span></p>
<p class="MsoNormal">-- <o:p></o:p></p>
<p class="MsoNormal">Glen Eustace, Infrastructure Development Engineer (BC/DR)<o:p></o:p></p>
<p class="MsoNormal">Information Technology Services, Massey University PN460<o:p></o:p></p>
<p class="MsoNormal">Private Bag 11222, Palmerston North, New Zealand.<o:p></o:p></p>
<p class="MsoNormal">Ph: +64-6-3569099 x 81005, Mob: +64-27-4500321<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-NZ"><o:p> </o:p></span></p>
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