[183650] in North American Network Operators' Group

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Re: outlook.com outgoing blacklists?

daemon@ATHENA.MIT.EDU (Todd K Grand)
Thu Sep 10 10:37:29 2015

X-Original-To: nanog@nanog.org
From: "Todd K Grand" <tgrand@tgrand.com>
To: "Tony Finch" <dot@dotat.at>
In-Reply-To: <alpine.LSU.2.00.1509101520520.29599@hermes-2.csi.cam.ac.uk>
Date: Thu, 10 Sep 2015 09:37:22 -0500
Cc: Steve Atkins <steve@blighty.com>, nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org

Interesting, however those ipv6 addresses were dropped from our dns almost 2 
weeks ago.
No quad A records should exist anylonger, as it has been more than 48 hours.

-----Original Message----- 
From: Tony Finch
Sent: Thursday, September 10, 2015 9:24 AM
To: Todd K Grand
Cc: Steve Atkins ; nanog list
Subject: Re: outlook.com outgoing blacklists?

Todd K Grand <tgrand@tgrand.com> wrote:

> Content-Type: message/delivery-status
>
> Reporting-MTA: dns;COL004-OMC2S2.hotmail.com
> Received-From-MTA: dns;COL129-W41
> Arrival-Date: Wed, 9 Sep 2015 02:13:28 -0700
>
> Final-Recipient: rfc822;support@qkstream.com
> Action: failed
> Status: 5.5.0
> Diagnostic-Code: smtp;554 The mail could not be delivered to the recipient 
> because the domain is not reachable. Please check the domain and try again 
> (-744508417:308:-2147467259)

Looks like there are some IPv6 and TCP problems with the DNS

http://dnsviz.net/d/qkstream.com/dnssec/

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Viking, North Utsire: Easterly 4 or 5, increasing 6 at times. Slight or
moderate, but rough in southwest Viking. Showers later. Good, occasionally
poor later. 


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