<html><head></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div>On Wed, 2023-03-08 at 16:58 -0500, Jay Ashworth via Outages-discussion wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>Indeed, there are quite a number of publicly accessible - and publicly intended - customer resolver DNS servers not directly associated with access networks.<br><br>The six DNS resolvers in the former gte/bbn 4/8 Network are not intended as publicly accessible servers, and indeed <admin>are not a suitable topic for outage reports on this list</admin>.<br><br>Suitably vetted outage reports about such resolver servers which are intended for public use probably are. If you don't know what constitutes suitable vetting for such a report, you probably shouldn't make one. :-)<br><br>Who does 9/8 belong to these days, Patrick?</div></blockquote><div>-----------------</div><div>IBM except for /24 which is quad9.</div><div><br></div><div><a href="mailto:vrode@kernelpanic">vrode@kernelpanic</a>:~$ whois -h whois.cymru.com " -v 9.9.9.0/24"</div><div>AS | IP | BGP Prefix | CC | Registry | Allocated | AS Name</div><div>19281 | 9.9.9.0 | 9.9.9.0/24 | CH | arin | 2017-09-13 | QUAD9-AS-1, CH</div><div><br></div><div>/vrode</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><br>Cheers,<br>--jra<br><br></div><div class="gmail_quote">On March 8, 2023 3:49:29 PM EST, "Patrick W. Gilmore via Outages-discussion" <outages-discussion@outages.org> wrote:<br><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>Quad-9!!</div><div><br></div><div>9.9.9.9</div><div><br></div><div><div>-- <br>TTFN,<br>patrick</div><div><br><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>On Mar 8, 2023, at 15:45, Calvin E. via Outages-discussion <outages-discussion@outages.org> wrote:</div><div><br class="Apple-interchange-newline"></div><div><div dir="auto"><div>Out of curiosity regarding non-Lumen customers using 4.2.2.2, why not use the intentionally public DNS like Cloudflare 1.1.1.1 and Google <a href="http://8.8.8.8/8.8.4.4">8.8.8.8/8.8.4.4</a>?<br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 8, 2023, 10:30 Hunter Fuller via Outages <<a href="mailto:outages@outages.org">outages@outages.org</a>> wrote:<br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="auto">Additionally, configuring one DNS server is a bad idea. I’m not sure if 4.2.2.2 is anycasted, but 4.2.2.1 through 4.2.2.6 exist and all work, so if you are a Lumen customer and want to use their resolvers, it’d be prudent to configure any two of those. </div><div dir="auto"><br></div><div dir="auto">In other words, I mean this as gently as possible, but one of six redundant servers going offline is not what I’d call an “outage.”</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 8, 2023 at 08:34 Mike Bolitho via Outages <<a href="mailto:outages@outages.org" target="_blank" rel="noreferrer">outages@outages.org</a>> wrote:<br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="auto">Speaking as a former Level 3 employee from way back. 4.2.2.2 is NOT a polling server. So if you're using it for that, you should stop. Second, while it is publicly available for DNS, it is first and foremost a server for Level 3 customers. What they do with it and how available it is outside the network is not guaranteed. YMMV.</div><div dir="auto"><div dir="auto"><br><div data-smartmail="gmail_signature" dir="auto">- Mike Bolitho</div></div></div><div><br></div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 8, 2023, 3:03 AM Michael B. Williams via Outages <<a href="mailto:outages@outages.org" target="_blank" rel="noreferrer">outages@outages.org</a>> wrote:<br></div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Hi Team - I have been seeing issues as well since approximately 19 December 2022.</div></div><div>_______________________________________________<br>Outages mailing list<br></div><div><a href="mailto:Outages@outages.org" rel="noreferrer noreferrer" target="_blank">Outages@outages.org</a><br></div><div><a href="https://puck.nether.net/mailman/listinfo/outages" rel="noreferrer noreferrer noreferrer" target="_blank">https://puck.nether.net/mailman/listinfo/outages</a><br></div></blockquote></div><div>_______________________________________________<br>Outages mailing list<br></div><div><a href="mailto:Outages@outages.org" target="_blank" rel="noreferrer">Outages@outages.org</a><br></div><div><a href="https://puck.nether.net/mailman/listinfo/outages" rel="noreferrer noreferrer" target="_blank">https://puck.nether.net/mailman/listinfo/outages</a><br></div></blockquote></div></div><div>-- <br></div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><br>--<br>Hunter Fuller (they)<br>Router Jockey<br>VBH M-1C<br>+1 256 824 5331<br><br>Office of Information Technology<br>The University of Alabama in Huntsville<br>Network Engineering</div></div></div></div></div><div>_______________________________________________<br>Outages mailing list<br></div><div><a href="mailto:Outages@outages.org" target="_blank" rel="noreferrer">Outages@outages.org</a><br></div><div><a href="https://puck.nether.net/mailman/listinfo/outages" rel="noreferrer noreferrer" target="_blank">https://puck.nether.net/mailman/listinfo/outages</a><br></div></blockquote></div></div></div>_______________________________________________<br>Outages-discussion mailing list<br>Outages-discussion@outages.org<br>https://puck.nether.net/mailman/listinfo/outages-discussion<br></div></blockquote></div><br></div></blockquote></div><div class="k9mail-signature"><div>_______________________________________________<br></div><div>Outages-discussion mailing list<br></div><div><a href="mailto:Outages-discussion@outages.org">Outages-discussion@outages.org</a><br></div><div><a href="https://puck.nether.net/mailman/listinfo/outages-discussion">https://puck.nether.net/mailman/listinfo/outages-discussion</a><br></div></div></blockquote><div><br></div><div><span></span></div></body></html>