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<p class="MsoNormal">If it’s only changed recently then I’d say DNS propagation<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">AusNOG <ausnog-bounces@lists.ausnog.net> on behalf of John Mann <john@mannfamily.org><br>
<b>Date: </b>Wednesday, 28 November 2018 at 3:44 pm<br>
<b>To: </b>"AusNOG@lists.ausnog.net" <AusNOG@lists.ausnog.net><br>
<b>Subject: </b>[EXTERNAL] [AusNOG] DNS problems resolving sync.deakin.edu.au<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Deakin University recently dual-stacked their Akamai cache for
<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__sync.deakin.edu.au&d=DwMFaQ&c=Ftw_YSVcGmqQBvrGwAZugGylNRkk-uER0-5bY94tjsc&r=srheiojgNn4Jg0keeQ9hj6cyp8zgHx0m-eTRLdD3nnw&m=aVUTlDm-TpQmLPh8GYduaIdrwFkUij4wtBrv-X9yJz4&s=oyHoAo4mklGmb_jm-rzKYPvvofKEu68LWO4doCFkURg&e=">
sync.deakin.edu.au</a> .<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Since them, some students using a couple of ISPs can't resolve the DNS name.<o:p></o:p></p>
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<p class="MsoNormal">For example:<o:p></o:p></p>
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<p class="MsoNormal">---<o:p></o:p></p>
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<p class="MsoNormal">> nslookup <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__sync.deakin.edu.au&d=DwMFaQ&c=Ftw_YSVcGmqQBvrGwAZugGylNRkk-uER0-5bY94tjsc&r=srheiojgNn4Jg0keeQ9hj6cyp8zgHx0m-eTRLdD3nnw&m=aVUTlDm-TpQmLPh8GYduaIdrwFkUij4wtBrv-X9yJz4&s=oyHoAo4mklGmb_jm-rzKYPvvofKEu68LWO4doCFkURg&e=">
sync.deakin.edu.au</a><o:p></o:p></p>
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<p class="MsoNormal">Server: belong.gateway<o:p></o:p></p>
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<p class="MsoNormal">Address: 10.0.0.138<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">*** belong.gateway can't find <a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__sync.deakin.edu.au&d=DwMFaQ&c=Ftw_YSVcGmqQBvrGwAZugGylNRkk-uER0-5bY94tjsc&r=srheiojgNn4Jg0keeQ9hj6cyp8zgHx0m-eTRLdD3nnw&m=aVUTlDm-TpQmLPh8GYduaIdrwFkUij4wtBrv-X9yJz4&s=oyHoAo4mklGmb_jm-rzKYPvvofKEu68LWO4doCFkURg&e=">
sync.deakin.edu.au</a>: Non-existent domain<o:p></o:p></p>
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<p class="MsoNormal">---<o:p></o:p></p>
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<p class="MsoNormal">"<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__blogs.deakin.edu.au&d=DwMFaQ&c=Ftw_YSVcGmqQBvrGwAZugGylNRkk-uER0-5bY94tjsc&r=srheiojgNn4Jg0keeQ9hj6cyp8zgHx0m-eTRLdD3nnw&m=aVUTlDm-TpQmLPh8GYduaIdrwFkUij4wtBrv-X9yJz4&s=yFkD80CkEe2Z-d4Pp3L8fWNbGaFEpnm7FGr0j6Jy6bc&e=">blogs.deakin.edu.au</a>"
is setup similarly to "<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__sync.deakin.edu.au&d=DwMFaQ&c=Ftw_YSVcGmqQBvrGwAZugGylNRkk-uER0-5bY94tjsc&r=srheiojgNn4Jg0keeQ9hj6cyp8zgHx0m-eTRLdD3nnw&m=aVUTlDm-TpQmLPh8GYduaIdrwFkUij4wtBrv-X9yJz4&s=oyHoAo4mklGmb_jm-rzKYPvvofKEu68LWO4doCFkURg&e=">sync.deakin.edu.au</a>"
but that does work.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If the user changes their DNS server to 8.8.8.8 or 1.1.1.1 then they do get through.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Problematic ISPs include:<o:p></o:p></p>
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<p class="MsoNormal"> Belong<o:p></o:p></p>
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<p class="MsoNormal"> Aussie Broadband<o:p></o:p></p>
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<p class="MsoNormal"> ...<o:p></o:p></p>
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<p class="MsoNormal">I've tried the frontline technical support numbers, but didn't make much headway.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Does anyone know how/why this DNS problems would be happening?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Can some technical support people from ABB and Belong please contact me?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal"> John Mann<o:p></o:p></p>
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<p class="MsoNormal"> 0419 568 470<o:p></o:p></p>
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