12 Jul
2013
12 Jul
'13
7:20 a.m.
On Thu, Jul 11, 2013 at 9:23 PM, Jimmy Hess <mysidia@gmail.com> wrote:
Domain names can be presented with a trailing dot. A fully qualified domain always contains at least one explicit dot.
But not always at the end, which is why there's a problem. RFC1123, in my opinion, contains a remark that ought to indicate to people that the trailing dot convention isn't even universal for determining whether a name is really fully-qualified. (See section 6.1.4.3. That RFC is also, of course, how we got 3com.net as a legal name, for prior to 1123 "3com" wasn't a valid label anywhere.) Best, A