The SOA NS is "primary master" and is conventionally seen as "best source"
for authoritative zone data.
Beyond that, there is no distinction between correctly delegated NS's. To
the outside world of Internet, they are all equally authoritative for a zone.
"master/slave" in BIND8 or "primary/secondary" BIND$ is strictly an
intramural issue between servers.
A zone�s NS�s represent an "RRset" returned as an indivisible unit to
queriers. Their order in the answer is definable in BIND with the option
"RRset-order". by default, the order is cyclic.
Ask why the ISP thinks the order of data entry, or wherever order, is
important. ask him to quote which RFC he�s using.
The ruling documents are the RFC�s. visit www.networksorcery.com for the
beautifully cross-linked "RFC Sourcebook".
Len
---------------
>It has been mentioned on this list that the order of domain nameservers does
>not matter. Is there an authoritative document somewhere that states this as
>fact and explains why? I have a customer who says their ISP insists that the
>nameserver order does matter, and that they want it listed in a particular
>order. I'm looking for a document that would convince them otherwise...
>
>Thanks,
>Steve
>
>
>
>
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