NS record question

Roy Arends Roy.Arends at nominum.com
Mon Mar 26 20:21:55 UTC 2001

On Mon, 26 Mar 2001, Bob Vance wrote:

> >There is no NOTIFY issue. Notifies get sent to slave servers, not to
> child
> >zones. This discussion was about omitting NS records for delegation
> when
> >child is hosted from the same server. Not a discussion about the NS
> record
> >residing and a zones apex.
> My point was that if you had a secondary server for the sub-zone, which
> would otherwise work correctly (even without the NS records) for lookup
> requests to that sub-zone, but there were no NS records, then the
> secondary would not get NOTIFYed when changes were made on the primary.
> At least, I thought that was correct -- that the primary uses the NS
> records to decide whom to NOTIFY.
> Besides, you were the one that brought up secondary servers :)

Yes, but the master sends NOTIFY to the NS records at the zone top. You
are right when it comes to omitting them, the slaves would not get

The master does not send NOTIFY to servers specified by zone-cut NS
records. The question was what the problems would be when zone-cut NS
records were removed from the zone, when the cutted zone (child zone,
delegated zone) resides on the same server.

Apologies if I was too direct. 


Roy Arends

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