[dns-operations] why does that domain resolve?

[A. Schulze]

Am 05.06.21 um 14:56 schrieb Mats Dufberg:
> 3. The .xa NS returns a referral to the NS of house.xa.
> 4. The resolver send a request for "www.house.xa. A" to an house.xa NS.
> 
> To force the use of NS from the zone the DNS protocal has to be rewritten, and if that is done, why not remove the NS from the zone and make them authoritative records of the parent?

That's a good question. What are NS records good for, if for $reason no resolver implement step 3.5:

3.5  The resolver ask of the glue-NS for "house.xa." NS to get a authoritative list of "house.xa." NS

Andreas