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List:       bind-users
Subject:    Re: bind 9.14.1 qname-minimization
From:       Evan Hunt <each () isc ! org>
Date:       2019-04-27 6:58:02
Message-ID: 20190427065802.GA41720 () isc ! org
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On Fri, Apr 26, 2019 at 04:01:24PM -0700, Carl Byington via bind-users wrote:
> The default for the qname-minimization option is relaxed, but with that,
> we cannot resolve the PTR for 142.136.234.134.

That zone's pretty messed up. ns1 and ns2.twcable.com always return
REFUSED for 136.142.in-addr.arpa/NS, but they return a delegation for
234.136.142.in-addr.arpa to cdp-wn-tm-5-01.inf.twcable.com, which doesn't
exist. So named ends up treating it as a lame delegation.  I would suggest
contacting Charter Communications about this, they need to fix the zone.

"qname-minimization relaxed" really ought to be able to work around this,
though, and I thank you for bringing it up. You can file a bug report at
gitlab.isc.org/isc-projects/bind9/issues if you wish.

-- 
Evan Hunt -- each@isc.org
Internet Systems Consortium, Inc.
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