> > --YD3LsXFS42OYHhNZ > Content-Type: text/plain; charset=us-ascii > Content-Disposition: inline > Content-Transfer-Encoding: quoted-printable > > On Tue, Jul 08, 2008 at 11:47:15AM +1000, Mark Andrews wrote: > >=20 > > > The site-dependent interpretation of the name is determined not by the > > > presence of dot within the name but its absence from the end. > >=20 > > 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." "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. Mark > --=20 > Ted Faber > http://www.isi.edu/~faber PGP: http://www.isi.edu/~faber/pubkeys.= > asc > Unexpected attachment on this mail? See http://www.isi.edu/~faber/FAQ.html#= > SIG -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@xxxxxxx _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf