Re: IPV6 Reverse DNS Resolution offlline
Glen <glen@amsl.com> Wed, 06 July 2016 20:37 UTC
Return-Path: <glen@amsl.com>
X-Original-To: ietf-announce@ietfa.amsl.com
Delivered-To: ietf-announce@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 959B612D5C9 for <ietf-announce@ietfa.amsl.com>; Wed, 6 Jul 2016 13:37:40 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -104.047
X-Spam-Level:
X-Spam-Status: No, score=-104.047 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-1.426, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HE8HATaq6Dti for <ietf-announce@ietfa.amsl.com>; Wed, 6 Jul 2016 13:37:39 -0700 (PDT)
Received: from mail.amsl.com (c8a.amsl.com [4.31.198.40]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5177B12D550 for <ietf-announce@ietf.org>; Wed, 6 Jul 2016 13:37:39 -0700 (PDT)
Received: from mail.amsl.com (localhost [127.0.0.1]) by c8a.amsl.com (Postfix) with ESMTPS id CFA7A1E5D67 for <ietf-announce@ietf.org>; Wed, 6 Jul 2016 13:36:23 -0700 (PDT)
Received: from mail-qk0-f176.google.com (mail-qk0-f176.google.com [209.85.220.176]) by c8a.amsl.com (Postfix) with ESMTPSA id 91B381E5D61 for <ietf-announce@ietf.org>; Wed, 6 Jul 2016 13:36:23 -0700 (PDT)
Received: by mail-qk0-f176.google.com with SMTP id 82so20677858qko.3 for <ietf-announce@ietf.org>; Wed, 06 Jul 2016 13:37:39 -0700 (PDT)
X-Gm-Message-State: ALyK8tJWEHIVZj5GfrWQv/sNXK1EBTxkTfQN7/1e9p+UadHkyNfOas4c0jqGsxxITJ2W0WEOCOs4oZM8Aio1SQ==
X-Received: by 10.55.167.199 with SMTP id q190mr30087908qke.95.1467837458233; Wed, 06 Jul 2016 13:37:38 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.140.91.180 with HTTP; Wed, 6 Jul 2016 13:37:18 -0700 (PDT)
In-Reply-To: <CABL0ig5Hi0SkqP7bK_MCZFRHFH5P8BkboK8D43g2GUoCCQSMXw@mail.gmail.com>
References: <CABL0ig5Hi0SkqP7bK_MCZFRHFH5P8BkboK8D43g2GUoCCQSMXw@mail.gmail.com>
From: Glen <glen@amsl.com>
Date: Wed, 06 Jul 2016 13:37:18 -0700
X-Gmail-Original-Message-ID: <CABL0ig78PCxzeZU-3SAbbJ5En5mL5bRxqyZL4qS8FLTEbpTdnw@mail.gmail.com>
Message-ID: <CABL0ig78PCxzeZU-3SAbbJ5En5mL5bRxqyZL4qS8FLTEbpTdnw@mail.gmail.com>
Subject: Re: IPV6 Reverse DNS Resolution offlline
To: ietf-announce@ietf.org
Content-Type: text/plain; charset="UTF-8"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf-announce/U0feC0jbQOVRvlmmnZqctdzCUCM>
X-BeenThere: ietf-announce@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
Reply-To: ietf@ietf.org, glen@amsl.com
List-Id: "IETF announcement list. No discussions." <ietf-announce.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf-announce>, <mailto:ietf-announce-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf-announce/>
List-Post: <mailto:ietf-announce@ietf.org>
List-Help: <mailto:ietf-announce-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf-announce>, <mailto:ietf-announce-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Jul 2016 20:37:40 -0000
By way of follow-up, we now observe that reverse IPV6 resolution is back online for the IETF. Thank you for your patience with this outage, and noisy announcement. Glen Glen Barney IT Director AMS (IETF Secretariat) On Tue, Jul 5, 2016 at 10:49 AM, Glen <glen@amsl.com> wrote: > All - > > I have just discovered that IPV6 reverse resolution for the IETF is > offline. It appears to have been offline for the past 30 minutes or > so. > > IPV6 reverse resolution is provided by Level3 - the provider at which > IETF services are hosted. > > An emergency ticket has been opened with Level3, and has been > acknowledged. They are working on the problem now. > > We have been assured by Level 3 that this issue has been escalated to > their top engineers; however, no ETA is available yet. > > In the meantime, the absence of reverse DNS for IPV6 may cause some > user mail servers to reject IETF mail, or to incorrectly score it as > Spam. Google, for example, is currently putting all IETF mail into > users' spam folders, with a warning about mail configuration. > > As a result, I have instructed all of our mail servers to attempt > delivery over IPV4 first, before attempting IPV6 delivery, in an > effort to mitigate this problem. > > We apologize for the inconvenience, and will send an update as soon as > we hear back from Level3. > > Glen > Glen Barney > IT Director > AMS (IETF Secretariat)