two primary's
Niall O'Reilly
Niall.oReilly at ucd.ie
Wed Mar 5 11:06:38 UTC 2008
On 5 Mar 2008, at 09:17, Stephane Bortzmeyer wrote:
> Chris Dorsman <c.dorsman at bellid.com> wrote
> a message of 12 lines which said:
>
>> Is it possible to have two primary DNS servers within an network?
>
> Yes, that's why BIND no longer calls them "primary" :-)
>
> You can have two masters, just be sure you synchronize them (rsync or
> another method), BIND will no longer do it for you.
The OP's question is ambiguous, and Stéphane's answer, although
correct, may be addressing the wrong aspect of the question.
It's not safe to assume that the OP has separated authoritative
and resolving domain name services. S/he (à propos ambiguity,
'Chris' is one of those names!) _should_ separate them, of course.
The terms 'primary' and 'secondary' (or better, 'fallback', since
there may even be more than two) are still useful when describing
the set of resolver servers which provide name resolution for each
client (running only a stub resolver) _within a network_. IMHO,
this is the only sensible use of these terms. The answer in this
case is 'NO', unless local anycast or a clever stub resolver is in
use: only one can be first in the list (/etc/resolv.conf or whatever).
Best regards,
Niall O'Reilly
University College Dublin IT Services
PGP key ID: AE995ED9 (see www.pgp.net)
Fingerprint: 23DC C6DE 8874 2432 2BE0 3905 7987 E48D AE99 5ED9
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