DNS expiry time in /etc/resolv.conf

Rudy Zijlstra rudy at grumpydevil.homelinux.org
Thu May 24 10:05:48 UTC 2012


I would suggest you move this question to the bind mailing list, where 
it is more appropriate

You canot determine that from the resolv entry points. The DNS name 
server can work with different expiry times even within a single domain. 
DHCP does not have any knowledge on this, except for dynamic DNS updates 
where the lease time usualy determines the DNS expiration time



On 24-05-12 11:59, Thotad, Maruthi wrote:
> Hi All,
> How can I know DNS expiry time of each entries in /etc/resolv.conf?
> I want to access DNS name server expiry time from application at any time.
> Thanks & Regards,
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