[Pdns-users] Implementing virtual domains

Robert Mortimer robm at scramworks.net
Tue Sep 29 11:12:49 UTC 2020


Hi,

both excellent reasons :)

In theory you only need to retain the SOA and NS records so something like:


example.com.            IN SOA  ns.example.net. hostmaster.example.net. (
                                2015071700 ; serial
                                10800      ; refresh (3 hours)
                                3600       ; retry (1 hour)
                                604800     ; expire (1 week)
                                86400      ; minimum (1 day)
                                )
                        NS      ns.example.net.
                        DNAME   example.net.

Which should cause example.com to refer everything to example.net.
But there may be issues with that so you may need all of the apex records.
https://github.com/PowerDNS/pdns/issues/8641


In theory apex DNAME records should work - I've not had that much luck in getting them to do so.
-- 
Robm
873
  "Ask not what I can do for the stupid, 
         but what the stupid can do for me" - Graeme Garden
On 28/09/2020 18:06:36, Daniel Miller <dmiller at amfes.com> wrote:
For two excellent reasons:

1. I didn't know they existed.
2. Now that I know they exist - I don't know how to use them.

I've enabled DNAME processing - now I need to understand how to setup
the zone. Do replace the *entire* zone with just a DNAME record? Or do I
need to retain any of the SOA, NS, MX records?

--
Daniel

On 9/28/2020 1:06 AM, Robert Mortimer wrote:
> Obvious question any reason why you're not using DNAMEs?
> https://tools.ietf.org/html/rfc2672
>
> --
> Robm
> 873
>   "Ask not what I can do for the stupid,
>          but what the stupid can do for me" - Graeme Garden
>>
>> On 27/09/2020 21:08:37, Daniel Miller via Pdns-users
>> wrote:
>>
>> I have a number of domains that are simply duplicates of a base domain,
>> e.g. mydomain.com is the primary domain, and we also have mydomain.net
>> and mydomain.info.
>>
>> I'd like to able to configure any/all records only in mydomain.com - and
>> have them "magically" propagated to the designated duplicate domains. I
>> don't believe this is something CNAME or ALIAS records would provide
>> for. But...maybe LUA would?
>>
>> If I'm right - would I do this as a Lua backend, or with Lua records?
>> And preferably if I add new record to the primary domain I don't have to
>> add new Lua records to each of the others.
>>
>> --
>> Daniel
>>
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