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<p class="MsoNormal">Actually Google does it by probing for support. OpenDNS (of which I am affiliated with) does still use a whiltelist.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We do not publish our whitelist and I’m not aware of a public one.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-- Brian<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">dns-operations <dns-operations-bounces@dns-oarc.net> on behalf of William Pressly <william.pressly@verizondigitalmedia.com><br>
<b>Date: </b>Wednesday, July 19, 2017 at 12:49 PM<br>
<b>To: </b>"Paul S. R. Chisholm" <psrc@google.com>, "google-public-dns@google.com" <google-public-dns@google.com>, Christopher LaVallee <Christopher.Lavallee@verizondigitalmedia.com>, Jesse Blazina <Jesse.Blazina@verizondigitalmedia.com>, "dns-operations@dns-oarc.net"
<dns-operations@dns-oarc.net><br>
<b>Subject: </b>[dns-operations] edns-client-subnet capable authorities?<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 Google Folks, (Copying OARC ops list in case anyone knows anything there)
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We at VDMS (formerly EdgeCast) are interested in using edns-client-subnet in our recursive infrastructure. I believe the way most recursive providers support edns-client-subnet is by whitelisting a set of authorities or zones that accept
the option. <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 google publish their whitelist anywhere? Is there anyway to find such a list? Is this even a thing?<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">WBSP (Will Pressly)<o:p></o:p></p>
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