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Re: [DNSOP] Re: AS112 for TLDs

Joe Baptista <baptista@publicroot.org> Wed, 05 December 2007 16:40 UTC

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Date: Wed, 05 Dec 2007 11:40:44 -0500
From: Joe Baptista <baptista@publicroot.org>
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To: Mark Andrews <Mark_Andrews@isc.org>
Subject: Re: [DNSOP] Re: AS112 for TLDs
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Mark Andrews wrote:

>>Actually no.  That is not correct.  I did some experimentation using 
>>BIND 8 and 9 as root servers.  BIND 8 does not support
>>
>>*. CNAME some.host.name.
>>    
>>
>
>	Actually all versions of BIND support "* CNAME".
>  
>
Sorry - your right - its DNAME it does not do.

> 
>  
>
>>But BIND 9 does.
>>
>>I know it sounds terrible to you but I think the RFC is flexible on 
>>that.  Your the expert - you look into it.  So it would be so nice if I 
>>could under BIND 9 do:
>>
>>*. NS some.host.name.
>>    
>>
>
>	Wildcard matching has the wrong semantics (1 vs many labels)
>	for NS records.  Even if the semantics where addressed you
>	then have to set up nameservers to do wildcard processing
>	while looking for the relevent zone.  This implies having
>	a copy of the parent zone so you can know what query names
>	don't match the wildcard.
>  
>
Ya I know.  Thats the whole point behind what i'm advocating for AS112.  
Those are the servers I would wildcard too.  At least i would like to 
run the experiment.  I have found some servers that do *. NS - or so i'm 
told by their support tech community.  But not BIND.  BIND should be 
flexible and allow that.

regards
joe baptista

-- 
Joe Baptista                                www.publicroot.org
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