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<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Dear Antoine,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">You are not alone. See my posting from March 5th.<o:p></o:p></p>
<p class="MsoPlainText">If you don't have access to these old e-mails here a list I have seen since beginning of this year falling into my rate limit. There are primary IPv6 addresses and little IPv4.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
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<p class="MsoPlainText"><span style="font-family:"Courier New"">m17.lon.opendns.com. 2a04:e4c0:10::64<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m21.lon.opendns.com. 2a04:e4c0:10::65<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m25.lon.opendns.com. 2a04:e4c0:10::66<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m29.lon.opendns.com. 2a04:e4c0:10::67<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m33.lon.opendns.com. 2a04:e4c0:10::68<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m37.lon.opendns.com. 2a04:e4c0:10::69<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m41.lon.opendns.com. 2a04:e4c0:10::70<o:p></o:p></span></p>
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<p class="MsoPlainText"><span style="font-family:"Courier New"">m65.lon.opendns.com. 2a04:e4c0:10::76<o:p></o:p></span></p>
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<p class="MsoPlainText"><span style="font-family:"Courier New"">m53.nrt.opendns.com. 2a04:e4c0:20::73<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m80.sjc.opendns.com. 67.215.95.91<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m81.sjc.opendns.com. 67.215.95.92<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m82.sjc.opendns.com. 67.215.95.93<o:p></o:p></span></p>
<p class="MsoPlainText"><span style="font-family:"Courier New"">m83.sjc.opendns.com. 67.215.95.94<o:p></o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">// Hans <o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: dns-operations <dns-operations-bounces@dns-oarc.net> On Behalf Of Antoine JOUBERT<br>
Sent: Thursday, March 7, 2019 12:17 PM<br>
To: dns-operations@dns-oarc.net<br>
Subject: [dns-operations] Large amount of queries received from OpenDNS</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Hi,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">We've been receiving a large amount of queries from OpenDNS over the last month or so.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">It looks like dictionary-based zone enumeration, but each record is requested between 10 and 20 times.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Is anybody else seeing the same behavior from OpenDNS's resolvers?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I've tried contacting them multiple times on their abuse mailbox (<a href="mailto:abuse@opendns.com"><span style="color:windowtext;text-decoration:none">abuse@opendns.com</span></a>), but I've not received a reply yet.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Could anyone provide me with an alternate contact that could look into this issue?<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Thanks!<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Antoine<o:p></o:p></p>
<p class="MsoPlainText">_______________________________________________<o:p></o:p></p>
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