Date: Tue, 12 Oct 2010 18:03:22 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Ian Smith <smithi@nimnet.asn.au> Cc: net@freebsd.org Subject: Re: strange resolver behavour Message-ID: <4CB4407A.5060907@rdtc.ru> In-Reply-To: <20101012152857.X2036@sola.nimnet.asn.au> References: <4CB2AF28.30309@rdtc.ru> <20101012152857.X2036@sola.nimnet.asn.au>
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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
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