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<p class="MsoNormal">There’s always a relevant XKCD ...<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a href="https://xkcd.com/1361/">https://xkcd.com/1361/</a><o:p></o:p></p>
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<p class="MsoNormal">alt text: “the less popular 8.8.4.4 is slated for discontinuation.”<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Outages <outages-bounces@outages.org> on behalf of Mike Bolitho via Outages <outages@outages.org><br>
<b>Date: </b>Tuesday, February 8, 2022 at 12:58 PM<br>
<b>To: </b>James Host <jhost@vultr.com><br>
<b>Cc: </b>outages@outages.org <outages@outages.org><br>
<b>Subject: </b>Re: [outages] [EXTERNAL] Ping to Google 8.8.8.8<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Yes, it has been this way for at least a decade. DNS are not polling servers.<o:p></o:p></p>
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<p class="MsoNormal">- Mike Bolitho<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Feb 8, 2022, 1:29 PM James Host via Outages <<a href="mailto:outages@outages.org">outages@outages.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Is it that atypical for these public-facing services to drop ICMP when they get hot? I'd not consider it an indicator of service down unless you're getting SRVFAILs<o:p></o:p></p>
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<p class="MsoNormal">James Host<o:p></o:p></p>
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<p class="MsoNormal">Architect - CDN Platform<o:p></o:p></p>
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<p class="MsoNormal">E: <a href="mailto:jhost@vultr.com" target="_blank">jhost@vultr.com</a><o:p></o:p></p>
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<p class="MsoNormal">On Tue, Feb 8, 2022 at 12:01 PM Christopher Conley via Outages <<a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">This happens occasionally on 8.8.8.8 and 8.8.4.4. We used to use these IPs as Internet reachability tests for determining failover to backup circuits and moved away from it after
the first occurrence of this happening.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Franklin Gothic Book",sans-serif;color:black">--</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Franklin Gothic Book",sans-serif;color:black">Christopher Conley</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Franklin Gothic Book",sans-serif;color:black">Systems Administrator |</span><span style="font-family:"Franklin Gothic Book",sans-serif">
<span style="color:#FF3D00">Fors Marsh Group</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Franklin Gothic Book",sans-serif;color:black">1010 N. Glebe Rd, Suite 510</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Franklin Gothic Book",sans-serif;color:black">Arlington, VA 22201</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> Outages <<a href="mailto:outages-bounces@outages.org" target="_blank">outages-bounces@outages.org</a>>
<b>On Behalf Of </b>Justin Krejci via Outages<br>
<b>Sent:</b> Tuesday, February 8, 2022 2:34 PM<br>
<b>To:</b> <a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a><br>
<b>Subject:</b> [EXTERNAL] [outages] Ping to Google 8.8.8.8<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p><span style="font-size:12.0pt;color:black">Seeing some hosts and not others get no reply to ICMP pings from the Minneapolis, MN area. I checked using HE's looking glass, 1 of their 2 Minneapolis routers gets no replies. Since many use and assume 8.8.8.8
is invincible, this has now started setting off monitoring alerts. DNS queries so far seem unaffected.</span><o:p></o:p></p>
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<p class="MsoNormal">_______________________________________________<br>
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<p class="MsoNormal">_______________________________________________<br>
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