NXDOMAIN: diff between capitalized domain and non-cap. one?

[Barry Margolin]

In article <Pine.OSF.3.93.991118162502.15576T-100000 at singapura.singnet.com.sg>,
Mathias Koerber  <mathias at staff.singnet.com.sg> wrote:
>Just curious. I queries my local caching nameserver
>for two )non-existent) domains in the same TLD.
>AFAICS I got the same replies (NXDOMAIN), but in one case
>the LHS of the returned SOA record was capitalized, in the other not.
>
>I wonder whether there is any significance in this?

No.  DNS matching is case independent.  However, a nameserver will remember
the case of a name from the first way that it was presented to it.  Names
that are learned from a user's query will often be lower case, but names
that are first learned from a root server are likely to be upper case.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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