[Dnsmasq-discuss] question about dns behavior
simon at thekelleys.org.uk
Fri Oct 4 11:37:24 BST 2013
On 03/10/13 17:55, Craig Yoshioka wrote:
> What does dnsmasq do in the event that it has a cached DNS entry that may be expired but the upstream DNS host isn't reachable?
> Does it give up and return the cached but expired entry? (That's how I'm hoping it behaves).
No, it never returns out-of-date information. Since determining if the
"upstream DNS host isn't reachable" generally involves a fairly long
timeout operation, it's difficult to see how you could implement this is
a useful form.
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