According to r/sysadmin, this is a peering issue.
Update 1440 UTC: As many of you know, DNS for FB services has been affected and this is likely a symptom of the actual issue, and that's that BGP peering with Facebook peering routers has gone down, very likely due to a configuration change that went into effect shortly before the outages happened (started roughly 1540 UTC). There are people now trying to gain access to the peering routers to implement fixes, but the people with physical access is separate from the people with knowledge of how to actually authenticate to the systems and people who know what to actually do, so there is now a logistical challenge with getting all that knowledge unified. Part of this is also due to lower staffing in data centers due to pandemic measures. See: https://www.reddit.com/r/sysadmin/comments/q181fv/looks_like_facebook_is_down/hfda42z/?context=3 On Oct 4, 2021, at 11:56 AM, Jon Sands via Outages <outages@outages.org<mailto:outages@outages.org>> wrote: Seems the facebook.com<http://facebook.com> domain no longer has any DNS records? Getting nxdomain from most clients, same when digging @ 1.1.1.1 8.8.8.8 etc https://toolbox.googleapps.com/apps/dig/#A/facebook.com -- Jon Sands MFI Labs https://fohdeesha.com/ _______________________________________________ Outages mailing list Outages@outages.org https://puck.nether.net/mailman/listinfo/outages
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