DNS recursion on Dapper's BIND9

Brian Fahrlander brian at fahrlander.net
Wed Aug 29 05:04:14 UTC 2007


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    I was stunned to learn my ISP was bought...though they deserve it,
letting someone more competent take the reigns is probably a good idea.
Still, when all the workstations shut down for the transition I was
quite unaware until DNS started failing.

    One of the problems I uncovered was, upon pointing the forwarders to
the new place, my main DNS machine is quite unable to stand on it's
own...and I had to fake the recursion I need to resolve "google.com".
The local zones resolve in both directions, quick as lightning.

    I spent about 20-30 hours on it; the local zones are *perfect*, the
various combinations of "recursion on" and "allow-recursion" as
permissive as I could possibly make them did nothing to solve the problem.

    Guys- check your DNS.  "nslookup" to your Dapper BIND servers, ask
them to resolve "www.google.com" and see what you get, if anything.  I'm
betting your workstations are set to use the local DNS, and then the
ISPs. If this is a bug, I'd like to ask around before reporting it.

- --
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 Brian Fahrländer                 Christian, Conservative, and Technomad
 Evansville, IN                              http://Fahrlander.net/brian
 ICQ: 5119262                         AOL/Yahoo/GoogleTalk: WheelDweller
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