<div dir="ltr">Hi Jan:<div><br></div><div>We have easily queryable data for the .nz authoritative nameservers that include those queries sending the EDNS client subnet option. I can run a query for a few days of data and find you some origin addresses and/or ASNs if that solves your problem.</div><div><br></div><div>If it helps, contact me directly for details.</div><div><br></div><div>Cheers,</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 25, 2020 at 1:41 AM Jan Včelák <<a href="mailto:jv@fcelda.cz">jv@fcelda.cz</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello.<br>
<br>
I'm looking for a list of public resolvers that utilize EDNS Client<br>
Subnet when sending queries to authoritative servers. I'm especially<br>
interested in the ones that require some kind of opt-in to enable the<br>
feature. Is anyone aware of such a list?<br>
<br>
Thank you. Regards<br>
<br>
Jan / NS1<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><p><strong><span style="color:rgb(227,28,121)">Sebastian Castro</span></strong><br>Chief Scientist<br><span style="color:rgb(227,28,121)"><strong>InternetNZ | Ipurangi Aotearoa</strong></span><br><br>Helping New Zealanders harness the power of the Internet<br><a href="https://www.internetnz.nz" target="_blank">www.internetnz.nz</a><br><br> <strong><span style="color:rgb(227,28,121)">M</span></strong> +64 21 400 535 <span style="color:rgb(227,28,121)"><strong>O</strong></span> +64 4 495 2337 <br><span style="color:rgb(227,28,121)"><strong>GPG:</strong></span> 0A98 8A75 853F 8730 3694 F191 08A2 7FD5 4D1C 0479<br><img src="https://cdn.internetnz.nz/OnDeDkDMmZo-A/INZ%20logo_small_full_colour_%20crop_no_white_space.png-6BA.png" alt="InternetNZ" width="260" height="86"></p></div>