On Sep 3 2009, Mark Andrews wrote:

In message <200909030037.raa27...@nasdaq.hpl.hp.com>, Andris Kalnozols writes:

My 9.6.1-P1 dig programs (HP-UX and Linux) rather consistently fail
when trying to trace the delegation of 231.84.192.IN-ADDR.ARPA.
Out of curiousity, are others from different places on the Internet
able to duplicate the failure?

It's fixed in the next release.  You should be able to verify this
using the v9_6 from the BIND Forum CVS repository.

I have the fix Mark refers to applied (the bug strikes during fallback
to TCP) and get:

$ dig +trace 231.84.192.in-addr.arpa

; <<>> DiG 9.6.1-P1 <<>> +trace 231.84.192.in-addr.arpa
;; global options: +cmd
.                       35116   IN      NS      I.ROOT-SERVERS.NET.
.                       35116   IN      NS      B.ROOT-SERVERS.NET.
.                       35116   IN      NS      L.ROOT-SERVERS.NET.
.                       35116   IN      NS      C.ROOT-SERVERS.NET.
.                       35116   IN      NS      G.ROOT-SERVERS.NET.
.                       35116   IN      NS      M.ROOT-SERVERS.NET.
.                       35116   IN      NS      E.ROOT-SERVERS.NET.
.                       35116   IN      NS      J.ROOT-SERVERS.NET.
.                       35116   IN      NS      F.ROOT-SERVERS.NET.
.                       35116   IN      NS      A.ROOT-SERVERS.NET.
.                       35116   IN      NS      K.ROOT-SERVERS.NET.
.                       35116   IN      NS      H.ROOT-SERVERS.NET.
.                       35116   IN      NS      D.ROOT-SERVERS.NET.
;; Received 272 bytes from 127.0.0.1#53(127.0.0.1) in 0 ms

192.in-addr.arpa.       86400   IN      NS      Y.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      HENNA.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      BASIL.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      DILL.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      CHIA.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      Z.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      X.ARIN.NET.
192.in-addr.arpa.       86400   IN      NS      INDIGO.ARIN.NET.
;; Received 196 bytes from 2001:500:2f::f#53(F.ROOT-SERVERS.NET) in 264 ms

231.84.192.in-addr.arpa. 86400  IN      NS      mail.boston.accrue.com.
231.84.192.in-addr.arpa. 86400  IN      NS      ns1.accrue.com.
;; Received 95 bytes from 2001:500:31::63#53(X.ARIN.NET) in 166 ms

;; Truncated, retrying in TCP mode.
;; connection timed out; no servers could be reached

No joy if you actually wanted a result, of course. Both nameservers
for the zone are u/s.

--
Chris Thompson
Email: c...@cam.ac.uk
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