Yes, that's the underlying issue. A faulty BGP change caused a bunch of routes to be withdrawn, including the Facebook DNS servers, which they self host. On Mon, Oct 4, 2021 at 5:37 PM Rich Lafferty via Outages < outages@outages.org> wrote:
A carrier networking engineer friend of mine observed that the network that those DNS servers live in is no longer in the global routing table. Sounds like BGP issues rather than DNS ones, I guess. (I won’t admit to understanding BGP.)
-Rich
*Rich Lafferty* rich@lafferty.ca / 647-377-1165 Toronto, Canada http://www.lafferty.ca
<https://twitter.com/mendel> <https://twitter.com/mendel> <https://facebook.com/richlafferty> <https://facebook.com/richlafferty> <https://linkedin.com/in/richlafferty> <https://linkedin.com/in/richlafferty> <https://instagram.com/wlonkly> <https://instagram.com/wlonkly> <https://www.flickr.com/photos/mendel> <https://www.flickr.com/photos/mendel> <https://github.com/wlonkly> <https://github.com/wlonkly> <https://mendel.tumblr.com> <https://mendel.tumblr.com> On Oct 4, 2021, 1:14 PM -0300, Jon Sands via Outages <outages@outages.org>, wrote:
Seems the 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/
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