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Keith Moore wrote:
|
|
| Ted Faber wrote:
|> On Tue, Jul 08, 2008 at 12:54:16PM +1000, Mark Andrews wrote:
|>> "hk." is not a syntactically valid hostname (RFC 952).
|>> "hk." is not a syntactically valid mail domain.
|>> Periods at the end are not legal.
|>>
|>> RFC 1035 has *nothing* to do with defining what is legal
|>> as a hostname.
|>
|> Fair enough.
|> By RFC952 standards "hk" is a perfectly fine hostname.
|>
|> By RFC1035 standards, if you look it or any other DNS name up using the
|> DNS resolver, that resolver will treat the name as relative unless it
|> ends with a dot. Arguing that hk is an unreliable hostname if you
|> look it up as a relative pathname is pretty much the same as arguing
|> that www.isi.deterlab.net is an unreliable hostname. Both of them are
|> subject to the search path without that trailing dot.
|
| RFC1035 may recognize the trailing dot, but (for better or worse) many
| applications do not recognize it, and some explicitly forbid it.
RFC1043 defines the dot. The fact that some apps don't recognize it is a
bug. Given its impact, let's not call it a feature or BCP.
Joe
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