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This has been an interesting thread, particularly the statement from
Re: reverse DNS questions
From: Jeff Justice
Date: Thursday, September 4, 2003
Time: 8:28:36 pm
RoadRunner. We host using a commercial RoadRunner account and they
absolutely refuse to assign reverse DNS for our IP addresses.
Which I suppose means they would block email coming from one of their
own commercial customers...?
Anybody had any luck getting RoadRunner to assign reverse DNS for a
commercial customer? I haven't worried too much about it because our
mail is going through. But considering how much we pay for the
service, you'd think we could expect the same thing as other
business/commercial bandwidth providers.
(BTW, I've had T1's and DSL. Believe it or not, the commercial
RoadRunner has been more stable than both of those services, although I
had no trouble getting reverse DNS assigned with T1 or DSL.)
Jeff J.
Starion Technologies, LLC
On Thursday, September 4, 2003, at 09:06 PM, Michael Wise wrote:
> At 18:46 -0700 9/4/03, Hazlitt wrote:
>
>> I'm running two QDNS servers (ns1.zada.net, ns2.zada.net) on a DSL
>> line supplied by SBC (originally Pacific Bell). I provide hosting and
>> email forwarding for a handful of customers.
>>
>> rr.com recently started blocking messages that I'm forwarding to a
>> hosting customer of mine, who uses rr.com for his POP mailbox. I
>> inquired about the blocking and they replied [see below].
>>
>> I'm not quite sure how to proceed. Is there something I can do in
>> QDNS or do I need to contact SBC to get them to modify their reverse
>> DNS?
>
>
>
> I recently went through this with two of my SBC DSL-using clients.
>
> You need to send an email to: desccentral@sbis.sbc.com
>
> And ask them to reverse delegate your IP block (they will do it).
>
>
> Feel free to use my email to them as a template (using your info, of
> course):
>
>
>> Date: Thu, 21 Aug 2003 11:10:36 -0700
>> To: desccentral@sbis.sbc.com
>> From: Postmaster <postmaster@optsevents.com>
>> Subject: DNS Reverse Delegation Request
>> Cc:
>> Bcc:
>> X-Attachments:
>>
>> Greetings,
>>
>> Can you please reverse delegate our below SBC-assigned IP block:
>>
>> IP Block: 64.174.159.32/29
>>
>> PRI - NS1.OPTSEVENTS.COM 64.174.159.37
>> SEC - NS1.OKEAN.COM 64.142.30.114
>>
>>
>>
>>
>> OPTS Events BTN 415 332-6339
>> optsevents.com 64.174.159.32/29
>> Primary server: NS1.OPTSEVENTS.COM 64.174.159.37
>> Secondary server: NS1.OKEAN.COM 64.142.30.114
>>
>>
>> Cordially,
>>
>> Michael Wise
>> postmaster@optsevents.com
>
>
>
>
> Once SBC has done it (probably within 24-48 hours) you will need to
> set up the reverse zone in your QDNS. Pay close attention to their
> completion email, as data in it will be the key to setting up the
> reverse zone correctly. What I mean by this is most people might set
> up the reverse zone as 159.174.64.in-addr.arpa (using, as an example,
> the above data). However, because my client (and probably you as well)
> does not have an entire /24 allocated to them, the reverse zone will
> not be named as if it were a /24. In my clients' case it was
> "32.159.174.64.in-addr.arpa" (64.174.159.32 is the first address in
> their block). ...so your reverse zone will be "0.83.127.66
> ..in-addr.arpa"
>
>
>
> --Mike
>
> (thanks to Chris for helping me out with this issue a few weeks ago)
>
>
>
>
>
>
>
>
>
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