Question about Bind 8 forwarder

Baird, Josh jbaird at
Mon Jun 9 03:15:01 UTC 2008

Furthermore, as of BIND 9.3 (I think), the forwarders selection is handled much more intelligentally.  Prior to this version, forwarders were queried in the order specified in the forwarders {}.  I believe they now use a RTT method to determine the quickest available forwarder in BIND9 9.3+.

From: bind-users-bounce at on behalf of Danny Mayer
Sent: Fri 6/6/2008 9:50 PM
To: Cheung Chun Kwok
Cc: bind-users at
Subject: Re: Question about Bind 8 forwarder

Cheung Chun Kwok wrote:
> Hello,
> I would like to know the official answer on the forwarding timeout of BIND 8
> We are using bind 8.2.4. And we have the following setting:

BIND 8 is beyond it's end of life that that version is almost 10 years
old. Upgrade to BIND 9.

> type forward;
> forwarders {;; };
> We want to know if is down, how long will it take to give up
> and try
> Please kindly give me some advice.

Don't use forwarders. It's extremely rare that they provide any benefit.


> Thank you very much
> Regards
> Eric Cheung

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