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Date: Thu, 23 Apr 2015 23:25:00 +0200
From: Harald Becker <ralda@....de>
To: musl@...ts.openwall.com
Subject: Re: Still not possible to send mail to domain libc.org
Hi Rich !
On 23.04.2015 22:52, Rich Felker wrote:
> Indeed, that does sound odd. I've filed a ticket with my registrar and
> for now I'm moving DNS hosting to my own nameserver but it may take 24
> hours to update and propagate. Hopefully that fixes things.
So let me retry the message tests tomorrow.
>> I know this is not a prove, but it looks more like a general problem
>> ... most likely, the mail relay is expecting to have the MX lookup
>> return an IP address, not a name.
>
> MX is never an IP address; that's not even valid and not possible to
> represent in DNS. It's always a name, and it's required to be an A
> record, not a CNAME. Check MX for any other domain and you'll find an
> A record.
I'm not a DNS expert, so I may not use the correct notation.
Currently the lookup has got even more ugly:
nslookup -q=mx libc.org
returns: brightrain.aerifal.cx
... but when I try to do MX lookup for brightrain.aerifal.cx, I can't
get any authoritative address, only for A records.
Are you able to add also an MX entry for brightrain.aerifal.cx ?
All the other domains I tried return an authoritative address for MX
lookups too, not only for A record lookup.
I searched a bit on the net, and may be this hits a qmail DNS lookup
problem disused at different places. Looks like they are fighting which
strategy is best for the lookups ... this is bad, but I can't do
anything here.
Harald
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