Re: PTR Records

Thanks, Kevin. I got the A records for dewey and changed the MX records; and
deleted all of the MX records that pointed to mail@......

I'm a little confused as to what to do with the CName records. We receive
email addressed to all of those domains. Here's what is currently there:

(same as parent folder) Host 168.9.128.18
(same as parent folder) Mail Exchanger [10] dewey.cowetaschools.net.
(same as parent folder) Name Server dns1.cowetaschools.org.
(same as parent folder) Name Server dns2.cowetaschools.org.
(same as parent folder) Start of Authority [2005100608],
dns1.cowetaschools.org., administrator.cowetaschools.org.
dewey Host 168.9.128.29
mail Host 168.9.128.29
pop Alias mail.cowetaschools.org.
smtp Alias mail.cowetaschools.org.

What do I need to change/add to fix that?
And how should I fix the NS record problems?

I really appreciate your help. As you can see, our DNS has been needing
attention for a long time.

Thanks again.


"Kevin D. Goodknecht Sr. [MVP]" <admin@xxxxxxxxxxxxxx> wrote in message
news:uQ9Mn3O9FHA.740@xxxxxxxxxxxxxxxxxxxxxxx
> MC <mc@xxxxxxxx> wrote:
>> Hi Herb,
>>
>> Thanks for your reply. The info that I found was from DNSReport.com.
>>
>> The domain is cowetaschools.net. I appreciate your help!
>
> This domain is not the only domain that has DNS problems in the setup.
> There
> are several issues that need to be cleared up before your problems will go
> away.
>
> Your mail server's HELO name is dewey.cowetaschools.net, there is no A
> record matching that name.
>
> You need to create an A record for dewey.cowetaschools.net, then delete
> all
> your MX records in all your domains and create new MX records giving
> dewey.cowetaschools.net as the mail server name.
> Then you need to delete all five of the PTR records that exist for this IP
> and create one PTR that points to dewey.cowetaschools.net.
>
> For the other domains you can create CName records for whatever name you
> choose to have these clients access the mail server by. Mail clients do
> not
> look for and do not care what the MX record says. However, when a mail
> server tries to deliver mail everything should match up. Some mail servers
> will refuse to accept mail from or deliver mail to your mail server
> because
> nothing matches up. Do not use the CNAME in the MX records, the MX records
> should point to the mail servers HELO name regardless of what domain the
> MX
> record belongs to.
>
> You should also create a SPF record for your domains, too. You can use the
> wizard a http://spf.pobox.com to create the data for the SPF record, you
> can
> use the same data for all domains since they all use the same mail server.
>
> You also have NS record problems in your domains. It is not necessary for
> the NS record to be in the same domain as the domain it is hosting, but it
> is required that NS records match the NS records listed on the public
> record
> for the domain.
> As it is now, you only have two domains which have the correct NS records
> that match the public records.
>
>
> --
> Best regards,
> Kevin D. Goodknecht Sr. [MVP]
> Hope This Helps
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