On 12/21/19 11:25 PM, Vinícius Ferrão via xCAT-user wrote:
Hello, Thomas. I’m not from the xCAT development team but I’m curious with your
question.
Hello Vinícius [I was on vacation]
In your example you mean that the name server info on the SOA field is not
available on the NS fields of a given zone, right?
Yep.
If this is correct I think xCAT is doing right to notify only the name servers
on the NS fields, because the name server on the SOA record may be unreachable
from the client sending the updates, depending on the architecture of the
domain. A truly hidden master is only reachable from its slaves.
That's what I reckoned also.
In my setup, the master is half hidden indeed as it is listed in the SOA
record as primary master. I think I did that because of nsupdate which
man states :
"
Requests are sent to the zone's
master server. This is identified by the MNAME field of the zone's SOA
record.
"
(although I specify the server in the nsupdate input file)
So the 2 software I'm using to feed in my DNS (nsupdate and xCAT) does
not have the same behavior (but I guess you're right with your explanation).
--
TH
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