On Wed, 28 Feb 2007, Florin Andrei wrote:
Anybody knows if the Bind version on CentOS 4.4 (9.2.4) has issues with doing
reverse DNS for subnets? (networks smaller than /24)
I keep a reverse DNS /26 subnet on Bind 9.3.1 (Fedora) and it works
fine. I've a /27 subnet on CentOS 4 (bind 9.2.4), exactly the same
config just different subnets and addresses, and it does not work. I
do a "dig @localhost .......in-addr.arpa. PTR" and there's no ANSWER
section. The logs provide no clues, all zones load up clean.
Identical config, different behavior. Maximum frustration. :-/
I don't have any subnets smaller than /24, but here's what I'd do to
test it. Assuming that 10.1.1.1 is in your address range,
dig +noall +authority -x 10.1.1.1 SOA
If you're on a host allowed to do DNS transfers, you can try grabbing
the entire subnet:
dig $(dig +noall +authority -x 10.1.1.1 SOA | awk '{print $1}') AXFR
--
Paul Heinlein <> heinlein@xxxxxxxxxx <> www.madboa.com
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