[dns-operations] Limit on Name Servers & their IPs for a sub-domain

[Olafur Gudmundsson]

On Thursday, 11 January, 2018 10:11, "James Stevens" <James.Stevens at jrcs.co.uk> said:



> I am aware of the "traditional" limit of 13 NS records for a sub-domain,
> is it considered that this still applies?
>
This was never a limit the number 13 comes from 
it was the maximum number of NS records with glue that could be returned in a SOA query for the root zone
and fit in 512 bytes. 
(in the days when adding NS records to all answers was a good practice) 
Olafur
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