<div dir="ltr">No DNS records were removed. Certain prefix's were withdrawn globally by an automation config mistake. By design their BGP for the DNS prefix's were withdrawn after X amount of time as their core network was not visible. </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 7 Oct 2021 at 10:37, Markus Akena Wipfler <<a href="mailto:markus.wipfler@gmail.com">markus.wipfler@gmail.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 dir="auto">All good and well but no mention of disappearance of the actual DNS records on their authoritative DNSes :) during that period. I don't think it's per design, eg remove DNS record if prefix X is not seen in routing table.<div dir="auto"><br></div><div dir="auto">BR, </div><div dir="auto">Markus </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 7 Oct 2021, 7:36 am Mark Tinka, <mark@tinka.africa> 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">
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<font face="Tahoma"><a href="https://www.kentik.com/blog/facebooks-historic-outage-explained/?mkt_tok=ODY5LVBBRC04ODcAAAF_9diyPhC6WFsJNFpS4z2ggF-DWEc6FksyD3aW8B3am5tUvtTOJDYl2MIgMdsmmqOLTL-BpUugbQHAIXCT677LE0OxHM8Dy-mqRorJQXnAjg4" rel="noreferrer noreferrer" target="_blank">https://www.kentik.com/blog/facebooks-historic-outage-explained/?mkt_tok=ODY5LVBBRC04ODcAAAF_9diyPhC6WFsJNFpS4z2ggF-DWEc6FksyD3aW8B3am5tUvtTOJDYl2MIgMdsmmqOLTL-BpUugbQHAIXCT677LE0OxHM8Dy-mqRorJQXnAjg4</a><br>
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Mark.<br>
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