'succesful' nsupdate of remote server not persistent across nameserver restart?

[Alan Clegg]

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>On Mon, May 2, 2016, at 07:17 AM, Matthew Pounsett wrote:
>> The general procedure is
>> 1) use 'rndc freeze <zone>' to stop dynamic updates to the zone
>> 2) edit the file
>> 3) use 'rndc thaw <zone>' to re-enable dynamic updates
>> 
>> If the zone is not set up to use dynamic updates, then:
>> 1) edit the zone file
>> 2) 'rndc reload <zone>'


Or:

nsupdate zone
> update add label ttl in a 1.2.3.4
> send
> quit

All done