Re: [reSIProcate] question about DNS time to live (TTL)
Yes - ttl defines how long the entry is cached. DNS servers specify the
ttl, and it is returned with each query response. The DNS interface has
a mechanism to configure a min ttl - that will override the ttl return
from the dns server.
> -----Original Message-----
> From: resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx
> [mailto:resiprocate-devel-bounces@xxxxxxxxxxxxxxxxxxxx] On Behalf Of
> Dave Mason
> Sent: Wednesday, January 10, 2007 10:33 AM
> To: resiprocate-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: [reSIProcate] question about DNS time to live (TTL)
>
> Hi,
>
> I just have a quick question about how time to live is implemented in
> the
> DNS classes. If the TTL has not yet expired, and a new lookup request
> comes
> in, does the DnsInterface remember the previous IP addresses that it
> found
> the last time it queried the DNS server, or does it always send a new
> request to the server?
>
> Is that behavior configurable? Any pointers about general TTL
behavior
> will
> help.
>
> Regards,
> Dave
>
>
>
>
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