Mailing List Archive

Re: Outages Digest, Vol 137, Issue 35
The 503s were probably because their seasonal sale started yesterday.
Their infrastructure usually doesn't respond well to the sudden change.

Webster Massingham
System Administrator
True North Networks, LLC
Office: 603-624-6777 | E-mail:

From: Outages <> On Behalf Of
Sent: Tuesday, October 29, 2019 09:26
Subject: Outages Digest, Vol 137, Issue 35

Date: Mon, 28 Oct 2019 14:23:49 -0700
From: Hugo Slabbert <>
To: Jared Mauch <>
Cc: Bob Strecansky <>, OUTAGES Mailing List
Subject: Re: [outages] down
Content-Type: text/plain; charset="utf-8"

Hey Jared,

We saw an increase in 503s through our outbound proxies for around that window, starting around 18:15 UTC and
tapering off around 19:50 UTC, on roughly 90% of our requests to I'm not sure it's necessarily DNS related, though,
as has an A record for The PTR on
that is, though. This
is just a correlation; I don't have anything conclusive at the moment, just
that it lines up roughly with that noted window. is similar: Forward is an A record, but reverse on that resolved
address is a generated name under

Hugo Slabbert

Network Engineer
Phone: 778-375-3736


369 Terminal Avenue, Vancouver, British Columbia, V6A 4C4 Canada

On Mon, Oct 28, 2019 at 12:39 PM Jared Mauch via Outages <> wrote:

> Do you have data on the Akamai issue? If so, I?d like to look into it. I
> would be surprised if we had issues. I see is on Neustar for
> DNS:
> ;; Received 763 bytes from in 70 ms
> 1800 IN NS
> 1800 IN NS
> 1800 IN NS
> 1800 IN NS
> - Jared
> > On Oct 28, 2019, at 3:33 PM, Bob Strecansky via Outages <
>> wrote:
> >
> > This seems to be related to an Akamai change that was made at some point
> today. Anything that is zone apex mapped at Akamai has been having
> problems for the last hour or so.
> >
> > On Mon, Oct 28, 2019 at 3:31 PM Matt Hoppes via Outages <
>> wrote:
> > appears to be down from multiple providers in Pennsylvania.

Outages mailing list