On Tue, Jul 08, 2008 at 11:47:15AM +1000, Mark Andrews wrote:
>
> > The site-dependent interpretation of the name is determined not by the
> > presence of dot within the name but its absence from the end.
>
> No. Please go and re-read RFC 921.
What a charming document.
I don't see anything in it that indicates a hierarchical name can't
consist of one level, though I see plenty of examples of 2-level names.
If you see text in there that I missed, I'm all ears.
I do see this in RFC 1035, though:
>When a user needs to type a domain name, the length of each label is
>omitted and the labels are separated by dots ("."). Since a complete
>domain name ends with the root label, this leads to a printed form which
>ends in a dot. We use this property to distinguish between:
>
> - a character string which represents a complete domain name
> (often called "absolute"). For example, "poneria.ISI.EDU."
>
> - a character string that represents the starting labels of a
> domain name which is incomplete, and should be completed by
> local software using knowledge of the local domain (often
> called "relative"). For example, "poneria" used in the
> ISI.EDU domain.
>
>Relative names are either taken relative to a well known origin, or to a
>list of domains used as a search list. Relative names appear mostly at
>the user interface, where their interpretation varies from
>implementation to implementation, and in master files, where they are
>relative to a single origin domain name. The most common interpretation
>uses the root "." as either the single origin or as one of the members
>of the search list, so a multi-label relative name is often one where
>the trailing dot has been omitted to save typing.
That sounds a lot to me like "hk." is as global as "hk.com."
--
Ted Faber
http://www.isi.edu/~faber PGP: http://www.isi.edu/~faber/pubkeys.asc
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