SIBLING GLUE address records (A or AAAA)

[Sebastian Castro]

Sergio Ramirez wrote:
> Thanks for the answer Ben, I agree.
> But the problem is if the administrator of zone example.xx
> decides to change the ip address of the ns3.example.xx and
> ns4.example.xx,  the glue records will be wrong.

That's why is usually a good idea to use nameservers under the domain
name being registered, to "allow" the registry to request for the
corresponding glue and add it to the parent zone.

Kind Regards
Sebastian Castro

> --
> Sergio R.
> 
> Ben Croswell escribió:
>> I would imagine the answer will be that they aren't required but would
>> be helpful.
>>
>> Since the parent .xx is delegating to the second-level domains, if you
>> do glue for all four DNS servers you are preventing a remote DNS server
>> from having to go to the servers for example.xx to get the A records for
>> the DNS servers for otherexample.xx.
>>
>>
>> On Mon, Oct 5, 2009 at 3:59 PM, Sergio Ramirez <sramirez at seciu.edu.uy
>> <mailto:sramirez at seciu.edu.uy>> wrote:
>>
>>     Hi,
>>
>>       In the following example, the authoritive server for
>>     zone .xx has configured the delegations of the zones example.xx
>>     and otherexample.xx:
>>
>>     example.xx  NS  ns1.example.xx
>>     example.xx  NS  ns2.example.xx
>>     ns1.example.xx A  11.22.33.44
>>     ns2.example.xx A  11.22.33.55
>>     otherexample.xx NS ns3.example.xx
>>     otherexample.xx NS ns4.example.xx
>>
>>     the bind report these messages:
>>
>>     "ns3.example.xx has no SIBLING GLUE address records (A or AAAA)"
>>     "ns4.example.xx has no SIBLING GLUE address records (A or AAAA)"
>>
>>     because the glue records are not configured in the zone .xx, for
>>     ns3.example.xx and ns4.example.xx
>>
>>     Are these glue records requiered ?
>>
>>     I understand that is not. Is this right ?
>>
>>     Regards,
>>     --
>>     Sergio R.
>>     _______________________________________________
>>     bind-users mailing list
>>     bind-users at lists.isc.org <mailto:bind-users at lists.isc.org>
>>     https://lists.isc.org/mailman/listinfo/bind-users
>>
>>
>>
>>
>> -- 
>> -Ben Croswell
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