[Samba] How to update the root hints for bind DLZ

[Rowland Penny]

On Tue, 6 Jun 2017 15:26:33 +0100
Rowland Penny via samba <samba at lists.samba.org> wrote:

> On Tue, 6 Jun 2017 16:12:11 +0200
> Torsten Kurbad via samba <samba at lists.samba.org> wrote:
> 
> > Am Tue, 6 Jun 2017 12:23:24 +0100
> > schrieb Rowland Penny <rpenny at samba.org>:
> > 
> > > On Tue, 6 Jun 2017 13:06:42 +0200
> > > Marcel de Reuver via samba <samba at lists.samba.org> wrote:
> > > 
> > > > A quick search on Google gives: http://www.unixfu
> > > > .ch/how-do-i-update-the-root-hints-data-file-for-bind-named-server/
> > 
> > Yes, that's what I did already. My db.root / db.hints file is up to
> > date. But that does not solve my problem.
> > 
> > > The OP basically did that manually, but it didn't change the
> > > record in AD.
> > > The record is an 'A' record, but 'samba-tool dns update' will not
> > > change it, because it claims the zone does not exist. The record
> > > has this DN:
> > > 
> > > DC=h.root-servers.net,DC=RootDNSServers,CN=MicrosoftDNS,DC=DomainDnsZones,DC=samdom,DC=example,DC=com
> > > 
> > > So the zone seems to be 'RootDNSServers' but this doesn't seem to
> > > exist :-(
> > 
> > Exactly.
> > 
> > Of course, I could try and change the data using ldbedit, but AD DNS
> > records are stored in a binary encoded data structure that not only
> > includes record type and value, but also a serial number, etc.
> > 
> > Thus, such a manual change would be error prone, to say the least.
> > 
> > Perhaps, samba-tool could be enhanced to make changing the root
> > hints possible? It can handle "normal" DNS records, so I wouldn't
> > expect non-trivial showstoppers...
> > 
> 
> This was my first thought, but after comparing the record in AD for
> 'RootDNSServers' with the forward zone, it is a zone, but 'samba-tool
> dns zonelist' doesn't show it. It looks like the 'C' code is where the
> problem lies.
> 
> I am going to raise a bug report for this.
> 
> Rowland
> 
> 
> 

see: https://bugzilla.samba.org/show_bug.cgi?id=12823

Rowland