<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif"><a href="https://lists.dns-oarc.net/pipermail/dns-operations/2020-January/019677.html">https://lists.dns-oarc.net/pipermail/dns-operations/2020-January/019677.html</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 23, 2020 at 3:10 PM Frank Bulk <<a href="mailto:frnkblk@iname.com">frnkblk@iname.com</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"><div lang="EN-US"><div class="gmail-m_-401105633804266430WordSection1"><p class="MsoNormal">Some news here: <a href="https://www.phillyvoice.com/comcast-nationwide-internet-outage-2020-january-23-philadelphia/" target="_blank">https://www.phillyvoice.com/comcast-nationwide-internet-outage-2020-january-23-philadelphia/</a><u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Frank <u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b>From:</b> Outages <<a href="mailto:outages-bounces@outages.org" target="_blank">outages-bounces@outages.org</a>> <b>On Behalf Of </b>Cary Wiedemann via Outages<br><b>Sent:</b> Thursday, January 23, 2020 3:02 PM<br><b>To:</b> Chris Cherry <<a href="mailto:cwcherry@outlook.com" target="_blank">cwcherry@outlook.com</a>><br><b>Cc:</b> <a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a><br><b>Subject:</b> Re: [outages] Seemingly Nationwide Comcast DNS Outage<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">Just confirming this outage affected my sites from Virginia to California. Start time was just before 2:32pm EST and resolution came around 2:54pm EST.<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Looks like anycast routing woes. Not good.<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">- Cary<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">On Thu, Jan 23, 2020 at 3:38 PM Chris Cherry via Outages <<a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a>> wrote:<u></u><u></u></p></div><blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-right:0in"><div><div><p class="MsoNormal">No issue here with my 5 Comcast Business accounts (central Indiana), although we are using OpenDNS. The VPN tunnels are up and running between those sites. Friends of mine who live up near Chicago who use Comcast and use the default DNS servers from them are reporting they are up and running.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986" target="_blank">Mail</a> for Windows 10<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><div style="border-right:none currentcolor;border-bottom:none currentcolor;border-left:none currentcolor;border-top:1pt solid currentcolor;padding:3pt 0in 0in"><p class="MsoNormal"><b>From: </b><a href="mailto:outages@outages.org" target="_blank">Christopher Trudeau via Outages</a><br><b>Sent: </b>Thursday, January 23, 2020 3:28 PM<br><b>To: </b><a href="mailto:outages@outages.org" target="_blank">outages@outages.org</a><br><b>Subject: </b>[outages] Seemingly Nationwide Comcast DNS Outage<u></u><u></u></p></div><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Seeing many recent reports on the interwebs regarding a “nationwide Comcast outage”.<u></u><u></u></p><p class="MsoNormal">Looks like it’s an issue with Comcast DNS (75.75.75.75 / 75.75.76.76) and not anything else, as queries to other public DNS servers (ex: 1.1.1.1 / 8.8.8.8) work just fine over my Comcast service.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">For reference, I’m located in Chicago, but I did perform NSLookup’s from a box in NYC, Dallas, and Seattle which resulted in similar behavior as seen below.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">nslookup <a href="http://google.com" target="_blank">google.com</a> 75.75.75.75</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Server: UnKnown</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Address: 75.75.75.75</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">*** UnKnown can't find <a href="http://google.com" target="_blank">google.com</a>: Query refused</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">nslookup <a href="http://google.com" target="_blank">google.com</a> 75.75.76.76</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Server: UnKnown</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Address: 75.75.76.76</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">*** UnKnown can't find <a href="http://google.com" target="_blank">google.com</a>: Query refused</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">nslookup <a href="http://google.com" target="_blank">google.com</a> 1.1.1.1</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Server: one.one.one.one</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Address: 1.1.1.1</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Non-authoritative answer:</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Name: <a href="http://google.com" target="_blank">google.com</a></span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Addresses: 2607:f8b0:4009:812::200e</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> 172.217.5.14</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">nslookup <a href="http://google.com" target="_blank">google.com</a> 8.8.8.8</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Server: dns.google</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Address: 8.8.8.8</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Non-authoritative answer:</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Name: <a href="http://google.com" target="_blank">google.com</a></span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas">Addresses: 2607:f8b0:4009:80f::200e</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> 216.58.192.238</span><u></u><u></u></p><p class="MsoNormal"><span style="font-size:10pt;font-family:Consolas"> </span><u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal"><img border="0" width="566" height="1" style="width: 5.8958in; height: 0.0104in;" id="gmail-m_-401105633804266430gmail-m_428000400836736541Horizontal_x0020_Line_x0020_1" src="cid:16fd477a1434cff311"><u></u><u></u></p><p class="MsoNormal"><span style="font-size:7.5pt;font-family:Arial,sans-serif;color:gray"><br>CONFIDENTIALITY NOTICE: This e-mail transmission, and any documents, files or previous e-mail messages attached to it may contain confidential information that is legally privileged. 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