[Pdns-users] Why NS records?

[Maik Zumstrull]

Yves Goergen wrote:

> What records would I now add with NS type? One for every nameserver
> that handles the zone domain, or also for each subdomain?

NS records are only supposed to exist on zone apex names.

> domains: example.com MASTER
> records: example.com SOA ...
> records: example.com A 1.2.3.4
> records: example.com MX 1.2.3.4
> records: example.com NS nameserver1
> records: example.com NS nameserver2
> records: sub1.example.com A 1.2.3.5
> records: sub1.example.com MX 1.2.3.5
> 
> Would I also add these?
> 
> records: sub1.example.com NS nameserver1
> records: sub1.example.com NS nameserver2

If those are new zones, then yes.
If they're just subdomains, not new zones, then no NS records.