Groups > comp.protocols.dns.bind > #15957

Re: Dumb Question is an A or AAAA record required?

From	Anand Buddhdev <anandb@ripe.net>
Newsgroups	comp.protocols.dns.bind
Subject	Re: Dumb Question is an A or AAAA record required?
Date	2020-07-09 17:06 +0200
Message-ID	<mailman.680.1594307146.942.bind-users@lists.isc.org> (permalink)
References	<B1C7B197-34CE-42AB-92CC-69F65B35D3FD@kreme.com> <7ab19939-3025-c874-e5a4-97721eb435fc@ripe.net> <ep8egf1jv84i97uev69vr17ld66g4fave6@m78> <4250d5b0-65a7-2ee9-eb38-fa5c88734cf3@ripe.net>

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On 09/07/2020 16:06, Matthew Richardson wrote:

> On a related issues there were (perhaps long ago) issues if the A record
> for a domain had an SMTP server on it, where email could sometimes be
> delivered to that A record rather than the MX.  I had (again long ago:
> 10-15 years) actually seen this occur.

Note that *delivery* will only happen if that A record were actually 
listening on tcp/25 and accepting SMTP connections. No-one should be 
opening up the SMTP port on a server meant to serve only HTTP(S) 
traffic. Anyone who does that deserves what they get for making such 
poor decisions.

Anand

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Re: Dumb Question is an A or AAAA record required? Anand Buddhdev <anandb@ripe.net> - 2020-07-09 17:06 +0200

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