I have been told this is a very poor description of the problem.

What I am concerned about is, how people with a sort of lazy zone file can 
assess the potential impact of QNAME minimization on their ability to answer 
for all of their zones.

I have gotten two suggestions off list:
- I would use named-checkzone to print the zone with all owner names printed 
out and then use text processing tools
- “dig ds -f list-of-zones”, Those that return NXDOMAIN are likely missing NS 
records.

Any other ideas?
Has anyone done this kind of housekeeping on their own zones?


> On Jul 26, 2018, at 11:41 AM, Victoria Risk <vi...@isc.org> wrote:
> 
> Does anyone know of a good tool that you can run on your DNS records to find 
> parent + child pairs where there is no NS record for the child in the parent?
> 
> Someone must have a perl script for that, right?
> 
> Thank you for any suggestions.
> 
> Vicky
> 
> 
> 
> 
> 
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Victoria Risk
Product Manager
Internet Systems Consortium
vi...@isc.org





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