Over the past month I have had the system logs just stop recording and I have to restart the sys logs at /sbin/rsyslogd - I have no idea as to what causes this as the logs stop recording. As far as I can see before the stop today, the named service stopped and restarted as I got no notification that the server was down. In the logs prior to the stop, the last messages in the message log and my log restart are
Jan 9 12:36:19 ip-68-178-130-21 named[10090]: validating @0x2ba78469dbd0: . NS: got insecure response; parent indicates it should be secure
Jan 9 12:36:19 ip-68-178-130-21 named[10090]: error (insecurity proof failed) resolving './NS/IN': 192.33.4.12#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: shutting down
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: shutting down
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: shutting down
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on 127.0.0.1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on 127.0.0.1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on 127.0.0.1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on ::1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on ::1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: stopping command channel on ::1#953
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on ::#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on ::#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 127.0.0.1#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 127.0.0.1#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 68.178.130.21#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 68.178.130.21#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 68.178.131.108#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 68.178.131.108#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 50.62.34.152#53
Jan 9 12:36:39 ip-68-178-130-21 named[10090]: no longer listening on 50.62.34.152#53
Jan 9 15:06:03 ip-68-178-130-21 kernel: imklog 5.8.10, log source = /proc/kmsg started.
Jan 9 15:06:03 ip-68-178-130-21 rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="15916" x-info="http://www.rsyslog.com"] start
Jan 9 15:06:07 ip-68-178-130-21 php-cgi: PHP Warning: Module 'mcrypt' already loaded in Unknown on line 0