[dns-operations] forwarding to a forwarder
dougb at dougbarton.us
Mon Jan 18 19:13:03 UTC 2016
On 1/17/2016 8:43 PM, Randy Bush wrote:
> A is a bind 9 where foo.bar is forwarded to B
> can an unbound on C forward foo.bar to A?
Yes. The only disadvantage to this configuration is that you get
double-caching, so on average you'll have a full TTL period for a change
to make it all the way back to C. For this reason I always recommend
slaving instead of forwarding, but when that's not possible this is the
> [ A has approval from B. but C is a hidden server which can not
> forward to B directly ]
Yeah, when I was with BlueCat I had customers with this exact issue.
hope this helps,
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