[afnog] Another Perspective - Kentik's View on the Facebook Outage

[Paul McMaster]

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 Certain prefix's were withdrawn globally by an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withdrawn after X amount of time as their core network was not visible.

On Thu, 7 Oct 2021 at 10:37, Markus Akena Wipfler <markus.wipfler at gmail.com>
wrote:

> 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.
>
> BR,
> Markus
>
> On Thu, 7 Oct 2021, 7:36 am Mark Tinka, <mark at tinka.africa> wrote:
>
>>
>> https://www.kentik.com/blog/facebooks-historic-outage-explained/?mkt_tok=ODY5LVBBRC04ODcAAAF_9diyPhC6WFsJNFpS4z2ggF-DWEc6FksyD3aW8B3am5tUvtTOJDYl2MIgMdsmmqOLTL-BpUugbQHAIXCT677LE0OxHM8Dy-mqRorJQXnAjg4
>>
>> Mark.
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