Bind 9.7 and using multiple forwarders

[Cathy Almond]

No longer true.  named picks the 'nearest' one, based on SRTT.
Non-responding forwarders are penalised via a very large SRTT.

https://lists.isc.org/mailman/htdig/bind-users/2010-April/079556.html

Dangl, Thomas wrote:
> Hello,
>  
> when we have a zone with type forward and a forwarders list with
> multiple entries, which strategy is used by Bind9.7?
> I found some information in the DNS and Bind book by O Reilly and the
> identical statement on the Internet and FAQs saying
> There was a Bind8.2.3 that had applied an intelligent behavior
> evaluating roundtrip times of forwarded queries and used the name server
> that provided the fatsest response.
> For Bind9 it is stated that simply the first entry in the forwarders
> list is used and if this first one fails to respond, the next in the
> forwarders statement is tried and so on.
> I understand the description in the way that this also applies when the
> first entry in the forwarders list is not responding at all. The next
> forwarding for the zone would still start with trying the first entry in
> the forwarders list.
>  
> Is this still correct with Bind 9.7 (more precisely Bind9.7.1 /
> Bind9.7.1-P1 / Bind9.7.1-P2)?
>  
>  
> Best regards
>  
> Thomas Dangl
> 
> 
> 
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