Re: [dns-operations] Akamai outages possibly related to Edge DNS?

[Dave Lawrence]

Stephane Bortzmeyer writes:
> Clearly Akamai Edge. They acknowledged it on their status site "a
> software configuration update triggered a bug in the DNS system, the
> system that directs browsers to websites. This caused a disruption
> impacting availability of some customer websites."

When we DNS people inevitably have to respond to the meme of "Why is
it always DNS?" it is worth reminding people that the DNS can only be
as good as the data it is told to serve.  When garbage inputs make
garbage outputs, the problem isn't really the intermediate garbage
hauler.

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Re: [dns-operations] Akamai outages possibly related to Edge DNS?

[Stephane Bortzmeyer]

On Thu, Jul 22, 2021 at 09:53:25AM -0700,
 Mauricio Vergara Ereche  wrote 
 a message of 90 lines which said:

> Seeing several reports of sites going down
> 
> Some people blaming AWS, others Akamai Edge DNS

Clearly Akamai Edge. They acknowledged it on their status site "a
software configuration update triggered a bug in the DNS system, the
system that directs browsers to websites. This caused a disruption
impacting availability of some customer websites."

As usual on the modern Web, where every page depends on several remote
things, it created cascading problems, leading to erroneous
diagnostics about the real root of the problem.

The authoritative name servers for Akamai Edge returned SERVFAIL
during the problem:

https://pbs.twimg.com/media/E66ejnmXsAYDSEZ?format=png=small



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