<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:0 0 0 .8ex;border-left:1px #ccc solid;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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