On Thu, May 29, 2014 at 12:48 PM, David Conrad <[email protected]> wrote:
> Phillip,
>
> On May 29, 2014, at 8:17 AM, Phillip Hallam-Baker <[email protected]>
> wrote:
>> And that is a problem because all numeric names are valid DNS hostnames.
>
> Not really. An all numeric string is a valid DNS _label_, however not all
> collections of DNS labels that make up a domain name are valid as a hostname.
> Specifically, RFC 1123 states (four paragraphs down from the bit you quoted):
>
> [...] However, a valid host name can never
> have the dotted-decimal form #.#.#.#, since at least the
> highest-level component label will be alphabetic.
>
> This implies that ICANN can't delegate an all-numeric TLD, and in fact, ICANN
> (in section 2.2.1.3.2, sub-section 1.2.1 of the Applicant's Guide Book)
> states:
>
> "The ASCII label must consist entirely of letters (alphabetic characters
> a-z), or [a valid IDNA A-Label]"
>
>> At any rate, given the state of the specs, I don't see cause for being
>> rude when people ask questions about them.
>
> I don't believe there is cause for being rude when people ask honest
> questions period.
>
>> There is a document quality issue here. None of these specs would be
>> published as a proposed standard today.
>
> Very true. It is, in fact, somewhat difficult to come up with "the" DNS specs
> that define the DNS today. IIRC, there was an attempt in DNSEXT before it was
> shut down to try to address that, but it didn't attract significant interest.
>
> Regards,
> -drc
>
_______________________________________________
dns-operations mailing list
[email protected]
https://lists.dns-oarc.net/mailman/listinfo/dns-operations
dns-jobs mailing list
https://lists.dns-oarc.net/mailman/listinfo/dns-jobs
