SOA/NS Question

Mark_Andrews at isc.org Mark_Andrews at isc.org
Sat Sep 18 11:43:16 UTC 1999


> Jim Reid <jim at mpn.cp.philips.com> wrote in message
> news:<24447.937503066 at kludge.mpn.cp.philips.com>...
> > If the MNAME field of the SOA record does not the real master name
> > server for the domain, dynamic DNS updates will probably not work. The
> > MNAME in the SOA is the only way to reliably determine where the
> > zone's master server is located. [Other than for dynamic DNS updates,
> > nothing really cares what's in that field of the SOA record.]
> 
> Moreover, if the name server listed in the MNAME field is not also listed in
> an NS record, dynamic updates may not work.  I haven't verified this with
> Windows 2000, but res_update() is written to send dynamic updates to the
> name servers listed in the NS RRs, starting with the name server listed in
> the SOA.MNAME field.  I don't believe it will send dynamic updates to a name
> server only listed in the SOA.MNAME field.
> 

	The protocol expects the slaves to forward the updates to a stealth
	master.  BIND 8.2.x does not do this yet however.

	Mark
> cricket
> 
> Acme Byte & Wire
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> 
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> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org


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