Re: Re: Reverse DNS Mapping not working

Now I am getting confused. We have 32 IP Addresses (195.141.214.32 up to 63) and I cannot do reverse mapping for my servers myself? Where do the other ISP's lookup for a reverse mapping then? You see, I need some enlightment on this.

Dave

>
> In article <bikasp$uuk$1@sf1.isc.org>, David Meier
> <MEIER@logmail.net> wrote: Hi all,
>>
>> I am a newbie to this and have the thankful task of administering
>> an OpenVMS DNS server that had been set up years ago by some other
>> person. Now we get more and more returned emails back with a
>> following text:
>> (reason: 550 5.7.1 <user@domain.com>... Fix reverse DNS for
>> 195.141.214.59 or use your ISPs mail server)
>>
>> I am very unsure where to set the PTR records. I have found some
>> PTR records in the file 214_141_195_in-addr_arpa.db. However they
>> do not seem to work because mails do bounce from any of the server
>> listed. Here's the files content:
>
> You need to get your ISP to delegate the reverse DNS to you.
>
> Note that if you haven't been assigned the entire 195.141.214.0/24
> address block, you'll need to use the subnet delegation method
> described in RFC 2317.
>
> --
> Barry Margolin, barry.margolin@level3.com
> Level(3), Woburn, MA
> *** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to
> newsgroups. Please DON'T copy followups to me -- I'll assume it
> wasn't posted to the group.
>