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Re: back by popular demand - a DNS calculator

Joe Touch <touch@isi.edu> Fri, 15 February 2013 22:11 UTC

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Date: Fri, 15 Feb 2013 14:10:44 -0800
From: Joe Touch <touch@isi.edu>
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To: Patrik Fältström <paf@frobbit.se>
Subject: Re: back by popular demand - a DNS calculator
References: <511D6D18.8000205@isi.edu> <511D6E18.2020205@forfun.net> <511E6E05.9040302@isi.edu> <88B5FFF0-751F-42FE-BE37-32B0DF414DBA@frobbit.se>
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On 2/15/2013 2:06 PM, Patrik Fältström wrote:
> On 15 feb 2013, at 18:19, Joe Touch <touch@ISI.EDU> wrote:
>
>> 	- the Bert version uses DNS strings that aren't valid
>> 	(*, +, ',', ++)
>
> Are we going to open again the question whether the DNS protocol can handle any value in the octets, as compared to the hostname definition that says something more limited? ;-)
>
>     Patrik

Let's just say that there doesn't appear to be disagreement that the DNS 
can handle a-z/0-9/'-'.

Other values _may or may not_ be permitted or handled opaquely in the 
lookup, AFAICT. It remains a question AFAICT.

Joe

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