Non-improving referral

[Mark Andrews]

You have your answer. Update the parent zone. 

-- 
Mark Andrews

> On 4 Feb 2024, at 18:27, Gabi Nakibly <gabinkbl at gmail.com> wrote:
> 
> 
> Hi,
> I would like to set up a new temporary nameserver for my zone (say 'example.com'), however for various reasons I prefer not to change the delegation of my parent zone ('.com'). So I need the current name server ('ns.example.com') to refer resolvers to my new temporary name server ('ns-temp.example.com'). However, when I tried to test this set-up with a BIND resolver, when the resolver got the delegation to the temporary name server it failed with 'non-improving referral'. 
> How can I resolve this so the delegation will work for a BIND resolver having default config (or with any other resolver for that matter)? I know that I can simply update delegation at the parent zone to point directly to the new name server, but I prefer not to do this right now and I am looking for ways to do this without changing the parent delegation.
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