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List:       bind-users
Subject:    RE: Configuration advice for a post-8020 world
From:       "Woodworth, John R" <John.Woodworth () CenturyLink ! com>
Date:       2017-02-13 16:39:48
Message-ID: A05B583C828C614EBAD1DA920D92866BD06D9B11 () PODCWMBXEX501 ! ctl ! intranet
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> -----Original Message-----
> From: Mark Andrews [mailto:marka@isc.org]
> 
> Named does not check that a parent zone has NS records for a child
> zone on the same server.  Always add delegating NS records.
> 
> As for ENT returning NXDOMAIN.  Early versions of the specifications
> of DNSSEC said there were no NAMES, rather than NAMES with RECORDS,
> between names in a DNSSEC sorted zone.  This changed the behaviour
> of ENTs from NODATA to NXDOMAIN.  Versions of named which supported
> this specification of DNSSEC return NXDOMAIN rather than NODATA for
> ENT.
> 
> It took a while to get the IETF working group to update to
> specification to restore ENT.
> 
Mark,

Good point on NS records and thanks for the background on this.  Guess
it's always better to follow the spec rather than lean on a side effect
with fingers crossed :)


/John

> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org
> 

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