Re: [DNSOP] Tell me about the ISO 3166 user assigned two-letter codes and TLDs

william manning <chinese.apricot@gmail.com> Thu, 29 September 2016 22:04 UTC

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From: william manning <chinese.apricot@gmail.com>
Date: Thu, 29 Sep 2016 15:04:44 -0700
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To: John R Levine <johnl@taugh.com>
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Subject: Re: [DNSOP] Tell me about the ISO 3166 user assigned two-letter codes and TLDs
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On Thursday, 29 September 2016, John R Levine <johnl@taugh.com> wrote:

> I've been telling people that if they need a fake private TLD for their
>>>> local network they should use one of those since it is exceedingly unlikely
>>>> ever to collide with a real DNS name.  Am I right?
>>>>
>>>
> C: why not just use .alt for this? It is clear that these should not
>> hit the global DNS, and should fail (get NXD) if they do. It is
>> clearly different to a ccTLD (at least some users have learnt that
>> things of the form .xx are "countries" - lets not confuse them
>> further).
>>
>
> I suppose I could use jrl.alt, but I wouldn't want to use plain .alt for
> fear of, if you'll pardon the phrase, name collisions.
>
> Regards,
> John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
> Please consider the environment before reading this e-mail. https://jl.ly
>
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Name collisions may occur at any delegation point - why do you think the
root zone is special in this regard?