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Date: Tue, 12 Oct 2010 18:03:22 +0700
From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: Ian Smith <smithi@nimnet.asn.au>
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Cc: net@freebsd.org
Subject: Re: strange resolver behavour
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On 12.10.2010 16:05, Ian Smith wrote:

>  > # host koin-nkz.com.
>  > koin-nkz.com has address 62.231.164.101
>  > Host koin-nkz.com not found: 3(NXDOMAIN)
>  > 
>  > This domain does not have MX records but NXDOMAIN seems to wrong return
>  > code to me. Think about MTA that does look-up for MX first,
>  > obtains NXDOMAIN and rejects mail.
> 
> If a domain has no MX server, how's an MTA supposed to do mail with it?

Then it should try to use A record if it exists.

> On Mon, 11 Oct 2010, Eugene Grosbein wrote:
>  > Hi!
>  >
>  > FreeBSD 8.1-STABLE:
>  >

> Well perhaps - but it works right when the proper DNS records exist.

What if koin-nkz.com.my.ru. would exist and have MX records?
MX lookup would succeed...

Eugene Grosbein