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Re: Reverse DNS

From: Caio James
Date: Friday, June 30, 2000
Time: 10:34:32 am

Can you check now to see if reverse dns is properly setup? I talked to my
ISP this morning and they said they've changed the reverse dns allocation to
point to my dns servers..

Caio

[------------------------------------------------]
Caio James 704 Natoma St
Intric Folsom, CA 95630
http://intric.com PHONE: (916) 768-9300
caio@intric.com FAX: (916) 355-1700
[------------------------------------------------]

> From: Men & Mice Support <cbuxton@menandmice.com>
> Reply-To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Date: Fri, 30 Jun 2000 01:54:56 -0700
> To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
> Subject: Re: Reverse DNS
>
> At 1:40 AM -0700 6/30/00, Caio James wrote:
>>> 2. You do not need a PTR record for every domain name, host name, or
>>> A record. You need a PTR record (exactly one) for every IP address in
>>> use. For any IP address that's used in multiple A records, pick one
>>> of those names to use in the PTR record.
>>
>> Allright.. I've got it (I think ;-)
>>
>> each IP only needs 1 reverse DNS record, regardless of how many domain names
>> are parked on it.
>
> Precisely.
>
>>> So if an outside resolver tries to look up the reverse record for one
>>> of your IP addresses (as happened with the chat server you
>>> mentioned), it'll follow these records to the UUNet servers, then hit
>>> a dead end. It'll conclude that you don't have any reverse records,
>>> no matter that you have a reverse zone configured on your own servers.
>>>
>>> You need to talk to UUNet about this.
>>
>> so what exactly do I need to speak with uunet about? I'm not exactly sure of
>> the specific problem there.
>
> They currently have control of your reverse records. You want to have
> control, because they aren't doing things right. So you want them to
> delegate authority for your reverse records to your servers.
>
> Without that delegation, it won't matter what reverse zone file you
> have on your servers, because nobody in the outside world will ever
> see it.
> ____________________________________________________________________
> Chris Buxton cbuxton@menandmice.com
> Men & Mice http://www.menandmice.com
> Makers of: QuickDNS Pro



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