Am 09.07.20 um 17:20 schrieb Michael De Roover:
> On 7/9/20 5:03 PM, Reindl Harald wrote:
>> but it still has nothing to do with your domain by definition, the PTR
>> could be anything
> Of course it can be, they're completely separate name spaces. However
> would it make any sense in practice
On 09.07.20 15:49, DeCaro, James John (Jim) CIV DISA FE (USA) via bind-users
wrote:
We have an application that queries reverse lookups on clients trying to
access it in order to verify the client and its IP are legit and a part of
the correct domain/acl.. So if the pointer record does not
On 7/9/20 6:43 AM, Anand Buddhdev wrote:
If you don't have an A record at the zone apex, the browser will not
get back any address and display an error message for the user.
There was a point in time when the big web browsers would try connecting
to www.. if connecting to . failed.
I don't
t;
> Best wishes,
> Matthew
>
> --
>> From: Anand Buddhdev
>> To: Matthew Richardson , bind-users
>>
>> Cc:
>> Date: Thu, 9 Jul 2020 17:06:13 +0200
>> Subject: Re: Dumb Question is an A or record required?
>
>>> On 09/07/2020 16:06, Matthew
+0200
>Subject: Re: Dumb Question is an A or record required?
>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
>> d
, but it provides an example.
-Original Message-
From: bind-users On Behalf Of Michael De
Roover
Sent: Thursday, July 9, 2020 11:20 AM
To: bind-users@lists.isc.org
Subject: [Non-DoD Source] Re: [DoD Source -- sss Top Secret] Re: Dumb
Question is an A or record required?
All active
On 7/9/20 5:03 PM, Reindl Harald wrote:
but it still has nothing to do with your domain by definition, the PTR
could be anything
Of course it can be, they're completely separate name spaces. However
would it make any sense in practice to point it somewhere else entirely?
You'd probably be
Am 09.07.20 um 16:57 schrieb Michael De Roover:
> You do have control over that..
i have, but not everybody has
> kind of. As far as I'm aware hosting
> providers generally offer control over PTR records in their admin
> panels.
but it still has nothing to do with your domain by
peräinen viesti-
> Lähettäjä: bind-users Puolesta Matthew
> Richardson
> Lähetetty: 9. heinäkuuta 2020 16:06
> Vastaanottaja: bind-users
> Aihe: Re: Dumb Question is an A or record required?
>
> On a related issues there were (perhaps long ago) issues if the A recor
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
You do have control over that.. kind of. As far as I'm aware hosting
providers generally offer control over PTR records in their admin
panels. However delegation of them to your own authoritative name
servers is.. complicated. A lot more so than delegation of forward
lookups would be anyway
-traffic-wise.
Jukka
-Alkuperäinen viesti-
Lähettäjä: bind-users Puolesta Matthew
Richardson
Lähetetty: 9. heinäkuuta 2020 16:06
Vastaanottaja: bind-users
Aihe: Re: Dumb Question is an A or record required?
On a related issues there were (perhaps long ago) issues if the A record
On 09.07.20 15:06, 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
t; Sent: Thursday, July 09, 2020 8:16 AM
> To: Mark Andrews; @lbutlr
> Cc: bind-users
> Subject: RE: [Non-DoD Source] Re: Dumb Question is an A or record
> required?
>
> Would the lack of A records affect pointer records? Seems like it would
__
ly DNS) failure might cause an SMTP server to deliver
> to A rather than MX?
>
> Best wishes,
> Matthew
>
> --
>> From: Anand Buddhdev
>> To: "@lbutlr" , bind-users
>> Cc:
>> Date: Thu, 9 Jul 2020 14:43:04 +0200
>> Subject: Re: Dum
still occur these days? What sort
of transient (presumably DNS) failure might cause an SMTP server to deliver
to A rather than MX?
Best wishes,
Matthew
--
>From: Anand Buddhdev
>To: "@lbutlr" , bind-users
>Cc:
>Date: Thu, 9 Jul 2020 14:43:04 +0200
>Subject: Re: Dumb
Of Mark Andrews
Sent: Thursday, July 9, 2020 8:56 AM
To: @lbutlr
Cc: bind-users
Subject: [Non-DoD Source] Re: Dumb Question is an A or 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
6 AM
To: Mark Andrews; @lbutlr
Cc: bind-users
Subject: RE: [Non-DoD Source] Re: Dumb Question is an A or record required?
Would the lack of A records affect pointer records? Seems like it would.
Jim
"If you always do what you always did you will always get w
-
Lähettäjä: bind-users Puolesta @lbutlr
Lähetetty: 9. heinäkuuta 2020 14:22
Vastaanottaja: bind-users
Aihe: Dumb Question is an A or record required?
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
bind-users
Subject: [Non-DoD Source] Re: Dumb Question is an A or AAAA record required?
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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
On 09/07/2020 14:21, @lbutlr wrote:
Given a domain that is hosted and used for email and web, is an A
record for that domain actually required?
It's not *required*. But see below.
That is, if bob.tld is hosted by example.com can you simply have
NS ns1.example.com
NS
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 www.example.com
Without
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