<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 class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc 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 class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><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><br><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 class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><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>
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</blockquote></div></div>-- <br><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>
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