SIBLING GLUE address records (A or AAAA)

[Sergio Ramirez]

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.
--
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.
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> 
> 
> 
> 
> -- 
> -Ben Croswell