No subject

they have configured a STUB for your zone, to learn your set of NS records.

| 
| Edmund wrote:
| 
| > So, is it true that if the my primary DNS server has the @ entry
| > with NS records which is different from my parent zone NS records
| > (one of these NS record is pointing to my primary DNS server),
| > then query for NS record for my zone would return the set of
| > NS records from the @ entry instead of from those NS records in
| > my parent zone ???
| >
| > marka at isc.org wrote:
| >
| > >         SOA stands for Start Of Authority.  All RRs at or below the
| > >         SOA belong to the zone, until a new SOA is reached.  This
| > >         includes NS records.  The parent zone only contains copies
| > >         of the NS records.  If the parent server also serves the
| > >         child zone it will return the NS rrset from the child zone
| > >         and not the parent zone if they differ.
| > >
| > >         Mark
| > >
| > > >
| > > > Michael Voight wrote:
| > > >
| > > > > What do you mean the NS record for the SOA.
| > > > > The SOA and NS record are 2 different things.
| > > > >
| > > > > There is no requirement for you to have an NS record for the primary
| > > > > server. You may not want to advertise that machine as a nameserver.
| > > > >
| > > > > Michael
| > > > >
| > > > > Edmund wrote:
| > > > > >
| > > > > > Thanks.  Can it be possible that the NS record for the SOA is not pointin
| > > > g
| > > > > >
| > > > > > to the local machine ??
| > > > > >
| > > > > > marka at isc.org wrote:
| > > > > >
| > > > > > > > Does anyone know why there must be a NS record for the @ entry ?
| > > > > > > > As my understanding, the NS record is pointing to the local machine
| > > > > > > > and it is the local machine the SOA for this zone, so why is the NS
| > > > > > > > record still necessary for the @ entry ???
| > > > > > >
| > > > > > >         Because that is the definition of a zone.  All zones contain
| > > > > > >         a SOA record and a NS RRset at the top of a zone.  NS records
| > > > > > >         in parent zones are supposed to be *copies* of the child zones
| > > > > > >         NS records.
| > > > > > >
| > > > > > >         Mark
| > > > > > > --
| > > > > > > Mark Andrews, Internet Software Consortium
| > > > > > > 1 Seymour St., Dundas Valley, NSW 2117, Australia
| > > > > > > PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org
| > > >
| > > >
| > > --
| > > Mark Andrews, Internet Software Consortium
| > > 1 Seymour St., Dundas Valley, NSW 2117, Australia
| > > PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org
| 

Mathias Koerber	  | Tel: +65 / 471 9820    |   mathias at staff.singnet.com.sg
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