question regards to dynamic dns update

Reindl Harald h.reindl at
Wed Nov 11 10:53:51 UTC 2015

Am 11.11.2015 um 11:50 schrieb Julie Xu:
> Thanks for the reply. But, my subnet do not use dhcp. Can they still get dynamic DNS?


>> On 11 Nov 2015, at 9:01 pm, Reindl Harald <h.reindl at> wrote:
>>> Am 11.11.2015 um 10:55 schrieb Julie Xu:
>>> Could I ask a question? I have a subnet, which all the equipment has static ip address recorded to machine. For the purpose of getting these subnet controlled, I would like to use dynamic dns update.
>>> After I read some bind  information, it looks like most configure example is use dhcp/ddns together.
>>> Please advice, if I can make a subdomain and make this subnet will contact the dns server to get a dns name dynamicly. I would like it:
>>>     - every machine in this subnet will get a dns name automatically
>>>     - the dns name is same as the host name
>>>     - the dns name will automatically be removed after the ip offline or the hostname changed.
>>> If these action can be achive, please advice how can I configure it?
>>> Any comments will be appreciated
>> "the dns name will automatically be removed after the ip offline" makes no sense, named and dhcpd can't know when a machine goes offline

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