Dynamic DNS

Kevin Darcy kcd at daimlerchrysler.com
Fri Nov 17 05:52:42 UTC 2006


smallpond wrote:
> Mohamed Amine BOURHIL wrote:
>   
>> for setting up a DNS or DHCP server you must have a static IP.
>> Le lundi 13 novembre 2006 03:01, voipfc a écrit :
>>     
>>> I want to set up Dynamic DNS  on a DNS server.
>>>
>>> Regardless of which server I use is it mainly the setting of the TTL to
>>> a low figure - 60s that configures that dns name as a dynamic one?
>>>
>>> voipfc
>>>       
>
> Then why have a TTL on a nameserver's address?
>   
"Static" doesn't mean "eternal". A static address can be changed, with 
careful planning,  preparation, and execution, and having TTLs on the 
relevant records allows the old data to expire from caches and be 
refreshed with the new data.

                                                                         
         - Kevin



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