Re: Update of RFC 2606 based on the recent ICANN changes ?

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On Mon, Jun 30, 2008 at 05:49:18AM -0700,
 David Conrad <drc@xxxxxxxxxxxxxxx> wrote 
 a message of 11 lines which said:

> Speaking technically, how would you distinguish the top-level domain
> "127.0.0.1" from the IP address 127.0.0.1?

A word while passing here: is there a document (RFC, Posix standard,
whatever) which says which is the right result in such a case?

There are protocol-specific rules. RFC 3986, section 3.2.2, clearly
says that the IP address wins and so your example would be regarded
as the localhost IP address, wether the TLD ".1" is delegated or no.

But I do not find generic rules.

RFC 3493 which specifies getaddrinfo is not very clear. Section 6.1
apparently does not address your issue.

So, I would say there is a normalization failure here: since 127.0.0.1
can be a domain name and an IP address, we really should have
precedence rules for such case (instead of asking ICANN to solve them
by forbidding all-numeric TLD).

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