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List:       bind-users
Subject:    Re: [Non-DoD Source] Re: Dumb Question is an A or AAAA record required?
From:       Matus UHLAR - fantomas <uhlar () fantomas ! sk>
Date:       2020-07-09 13:43:18
Message-ID: 20200709134318.GA29571 () fantomas ! sk
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On 09.07.20 13:16, DeCaro, James John (Jim) CIV DISA FE (USA) via bind-users wrote:
> Would the lack of A records affect pointer records?  Seems like it would.

pointer records are independent on A/CNAME records and irelevant in thie
case.

> -----Original Message-----
> From: bind-users <bind-users-bounces@lists.isc.org> On Behalf Of Mark Andrews
> Sent: Thursday, July 9, 2020 8:56 AM
> To: @lbutlr <kremels@kreme.com>
> Cc: bind-users <Bind-users@lists.isc.org>
> Subject: [Non-DoD Source] Re: Dumb Question is an A or AAAA record required?
> 
> At this stage one still needs A records to be reachable by everyone.  One should \
> also ensure you are reachable over IPv6 as lots of the world behind IPv6 only links \
> as their ISPs don't have enough IPv4 addresses for every one.  Instead they have to \
> use some form of IPv4 as a service which is significantly more expensive to operate \
> compared to straight routers.


> > On 9 Jul 2020, at 22:22, @lbutlr <kremels@kreme.com> wrote:
> > 
> > Given a domain that is hosted and used for email and web, is an A record for \
> > that domain actually required? 
> > That is, if bob.tld is hosted by example.com can you simply have
> > 
> > NS ns1.example.com
> > NS ns2.example.com
> > MX mx.example.com
> > 
> > www    CNAME Caution-www.example.com
> > 
> > Without specifying
> > 
> > A 11.22.33.444
> > 
> > (I am pretty sure this is *technically* allowed, but is it really OK to do or are \
> > there reasons not to do this?)

-- 
Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Quantum mechanics: The dreams stuff is made of.
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