On 28 Jun 2008, at 11:29, Paul Vixie wrote:
[EMAIL PROTECTED] (Phil Regnauld) writes:
Question: How do existing implementations react to the presence of a
single, terminal dot ? What if an A record is published for '.' ? I
know it probably won't happen. but I'm also curious to know, and I
think
the document should specify this: what is the impact of this on
existing
implementations ?
i'm afraid that this will just result in a lot of QTYPE A messages
sent to
the authority servers for . asking about ., and a lot of new useless
RCODE 3
responses therefrom.
Is it not the case that ANCOUNT=0 RCODE=0 responses could be cached,
whilst failures to send DNS UPDATE messages to root servers would not
be cached?
Joe
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