[dns-operations] Cname errors?

Mark Andrews marka at isc.org
Tue Sep 29 02:23:25 UTC 2015


In message <5609EC89.70208 at lcrcomputer.net>, Lyle Giese writes:
> A couple of weeks ago concurrent with a new release from ISC(I am 
> running 9.9.7-P3 right now), I started seeing these and just have not 
> taken the time to follow up here.
> 
> I understand the log entry and am not going bonkers about the extra log 
> entries, but concerned if this becomes a performance or lookup issue, 
> can I turn off this behavior?

Yes and it is documented how to do this.  Please read the logging
section of the ARM.
 
> I know the proper answer is for the other guys to stop doing stupid 
> stuff. But unfortunately that is not always a good answer for management 
> for when they can not get to their favorite website because of this issue.
> 
> Lyle Giese
> LCR Computer Services, Inc.
> 
> Sep 27 01:39:48 linux1 named[3497]: skipping nameserver 
> 'router-adm.utcb.ro' because it is a CNAME, while resolving 
> '169.156.38.89.in-addr.arpa/PTR'
> Sep 27 01:39:48 linux1 named[3497]: skipping nameserver 
> 'router-civile.utcb.ro' because it is a CNAME, while resolving 
> '169.156.38.89.in-addr.arpa/PTR'
> Sep 27 01:39:49 linux1 named[3497]: skipping nameserver 
> 'router-adm.utcb.ro' because it is a CNAME, while resolving 
> '169.156.38.89.in-addr.arpa/PTR'
> Sep 27 01:39:49 linux1 named[3497]: skipping nameserver 
> 'router-civile.utcb.ro' because it is a CNAME, while resolving 
> '169.156.38.89.in-addr.arpa/PTR'
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org



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