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

erik erik at colliander.pp.se
Thu Nov 18 23:19:13 UTC 1999

I think I recall a ciscussion when we made the conclusion that you now could
compile (? config? don´t remember excatly) your BIND to _make_ a difference between
the two somehow.... but ofcourse it seems really stupid to do so... =)


Barry Margolin wrote:

> 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
> *** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
> Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.

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