Re: [DNSOP] RFC 1035 vs. mandatory NS at apex?

Mark Andrews <marka@isc.org> Thu, 07 February 2019 13:10 UTC

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From: Mark Andrews <marka@isc.org>
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To: Petr Špaček <petr.spacek@nic.cz>
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Subject: Re: [DNSOP] RFC 1035 vs. mandatory NS at apex?
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> On 7 Feb 2019, at 11:16 pm, Petr Špaček <petr.spacek@nic.cz> wrote:
> 
> Hello dnsop,
> 
> here is a quiz for experienced RFC archeologists:
> 
> https://tools.ietf.org/html/rfc1035#section-5.2
> section 5.2. Use of master files to define zones
> does not mention NS at apex at all, but it does explicitly mention SOA
> at apex. Can it be interpreted as if NS at apex is not mandatory?

No.  Go read RFC 1034.

> Funnily enough
> https://tools.ietf.org/html/rfc1035#section-5.3
> has an example which as NS at apex, but it is not clear from the text above.
> 
> Is it mandatory or not? Should I submit erratum for RFC 1035?
> 
> Thank you for clarification.
> 
> -- 
> Petr Špaček  @  CZ.NIC
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka@isc.org