Re: [DNSOP] Delegation into the interior of a zone?

Paul Vixie <paul@redbarn.org> Fri, 28 December 2018 22:50 UTC

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From: Paul Vixie <paul@redbarn.org>
Date: Fri, 28 Dec 2018 14:50:32 -0800
To: John Levine <johnl@taugh.com>
CC: dnsop@ietf.org,gtaylor@tnetconsulting.net
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Subject: Re: [DNSOP] Delegation into the interior of a zone?
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I once write a full resolve that checked both sides of every delegation point and remembered both sets of ns records. It would not have followed an ns to a non-soa. That would not be wrong.

On Dec 28, 2018, 14:27, at 14:27, John Levine <johnl@taugh.com>; wrote:
>In article
><2f50b5bd-ea7d-8009-f207-cce3cddf3bf5@spamtrap.tnetconsulting.net>; you
>write:
>>Both work perfectly fine.  named-compilezone produces the expected
>lines.
>>
>>1.localhost.  604800  IN  CNAME  1.bob.example.net.
>>2.localhost.  604800  IN  CNAME  2.bob.example.net.
>>3.localhost.  604800  IN  CNAME  3.bob.example.net.
>>4.localhost.  604800  IN  CNAME  4.bob.example.net.
>>5.localhost.  604800  IN  NS     ns1.example.com.
>>6.localhost.  604800  IN  NS     ns1.example.com.
>>7.localhost.  604800  IN  NS     ns1.example.com.
>>8.localhost.  604800  IN  NS     ns1.example.com.
>>
>>Which of the two methods above is easier (or poses fewer questions) to
>
>>understand by someone who's not familiar with BIND, much less
>$GENERATE?
>
>I'd think it depends whether invalid delegations bother them, like if,
>say, ns1.example.com might not be running BIND.
>
>R's,
>John
>
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