On Dec 30, 2013, at 2:29 AM, Gaurav Kansal <gaurav.kan...@nic.in> wrote:
> Dear All, > > In my bind server logs, I am getting too much error logs of below mentioned > type. > Can anyone pl. explain me why I am getting these logs and how to get rid of > those. > > Although when I am doing dig for the domain (for which I am getting the > error), I am getting the valid output. > > Thanks. > > Dec 30 15:54:18 IPV6-NKN-DNS named[13123]: error (FORMERR) resolving > 'ib.sin1.geoadnxs.com/AAAA/IN': 64.208.141.10#53 I see an incorrect negative response. Could this be the problem? Here is the end of a dig trace: geoadnxs.com. 172800 IN NS 01.auth.nym1.appnexus.net. geoadnxs.com. 172800 IN NS 01.auth.nym2.appnexus.net. geoadnxs.com. 172800 IN NS 01.auth.lax1.appnexus.net. geoadnxs.com. 172800 IN NS 01.auth.ams1.appnexus.net. ;; Received 222 bytes from 192.33.14.30#53(192.33.14.30) in 123 ms sin1.geoadnxs.com. 86400 IN NS ns2.apac.gslb-ns.net. sin1.geoadnxs.com. 86400 IN NS ns1.apac.gslb-ns.net. ;; Received 122 bytes from 68.67.133.169#53(68.67.133.169) in 67 ms geoadnxs.com. 30 IN SOA ns1.gslb.com. support.appnexus.net. 1 86400 30 86400 30 ;; Received 103 bytes from 64.208.141.10#53(64.208.141.10) in 187 ms _______________________________ My resolving name server complains as follows: Dec 30 10:19:45 ubuntu named[1299]: DNS format error from 64.208.141.10#53 resolving ib.sin1.geoadnxs.com/AAAA for client ::1#60014: invalid response Dec 30 10:19:45 ubuntu named[1299]: error (FORMERR) resolving 'ib.sin1.geoadnxs.com/AAAA/IN': 64.208.141.10#53 Dec 30 10:19:45 ubuntu named[1299]: DNS format error from 64.208.141.11#53 resolving ib.sin1.geoadnxs.com/AAAA for client ::1#60014: invalid response Dec 30 10:19:45 ubuntu named[1299]: error (FORMERR) resolving 'ib.sin1.geoadnxs.com/AAAA/IN': 64.208.141.11#53 _______________________________ I believe the problem is that when asked for an AAAA record, the load balancer gives an otherwise-proper-looking negative response that claims to be from the wrong zone. Regards, Chris Buxton _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users