[CentOS] Bind - built in root hints?

[Robert Moskowitz]

On 02/19/2013 09:07 PM, Markus Falb wrote:
> On 20.2.2013 02:20, John R Pierce wrote:
>> On 2/19/2013 4:35 PM, Bry8 Star wrote:
>>> they can do so bit easily if the old one is visible.
>> whats not visible about /var/named/named.ca  ?   its even listed in
>> /etc/named.conf as the root zone.
> hmm, here as I understand this:
>
> A point was made by Robert that named.ca is not necessary at all and
> should be removed.
>
> https://lists.isc.org/pipermail/bind-users/2013-February/089740.html
> https://bugzilla.redhat.com/show_bug.cgi?id=901741
>
> Bry8 said even if named.ca is not necessary it could be still useful for
> some so do not remove it from the rpm.

I would like to know the use case of its usefulness.