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Re: Non-domain records

From: Men & Mice Support
Date: Thursday, June 8, 2000
Time: 11:07:34 pm

At 12:09 PM +1000 6/9/00, Tim Robinson wrote:
>Hi there,
>
>I'm wanting to use the nameservers ns1.maindomain.com.au and
>ns2.maindomain.com.au as nameservers for another domain
>otherdomain.com. See below:
>
>maindomain.com.au. NS ns1.maindomain.com.au.
>maindomain.com.au. NS ns2.maindomain.com.au.
>ns1.maindomain.com.au. A 1.2.3.4
>ns2.maindomain.com.au. A 1.2.3.5
>maindomain.com.au. MX 10 mail.maindomain.com.au.
>mail.maindomain.com.au. A 1.2.3.6
>www.maindomain.com.au. A 1.2.3.4
>
>otherdomain.com. MX 20 mail.otherdomain.com.
>mail.otherdomain.com. A 2.2.2.2
>www.otherdomain.com. A 1.2.3.4
>
>Will there be a problem with this? When I created the records for
>the new domain, it didn't ask me if I wanted to create reverse
>lookups or anything like that. Does it need them? I someone says
>"This will work fine" that would be music to my ears. (If it's true
>of course).

Reverse records are a thorny issue. Luckily, for most services, a
server doesn't really need one.

Routers and mail servers are the exception. If you have a mail server
on a certain IP address, that IP address should have exactly one
name, which you would use throughout all your domains. That name
would also be used in the PTR record for that address.

Keep in mind that you should make sure that your reverse zone is
delegated to your servers before creating a reverse zone.
Unfortunately, the Domain Assistant is a little too eager to create
them, without asking if that's proper.

Looking at your records above, I don't see any NS records for
otherdomain.com. You do have them, don't you? They should look
something like this:

otherdomain.com. NS ns1.maindomain.com.au.
otherdomain.com. NS ns2.maindomain.com.au.

Mind those ending dots - without them, you'll get things like
ns1.maindomain.com.au.otherdomain.com, which isn't at all what you
want.
____________________________________________________________________
Chris Buxton cbuxton@menandmice.com
Men & Mice http://www.menandmice.com
Makers of: QuickDNS Pro



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