<p>check_dig is case sensitive about the query answer which leads to a warning: Server not found in ANSWER SECTION.</p>
<p>See verbose output:<br>
/usr/lib/nagios/plugins/check_dig -H dns-cache2.switch.ch -vvvv -l 6to4-relay.switch.ch<br>
/usr/bin/dig @dns-cache2.switch.ch -p 53 6to4-relay.switch.ch -t A <br>
Looking for: '6to4-relay.switch.ch'<br>
;; ANSWER SECTION:<br>
6TO4-RELAY.switch.ch. 81981 IN A 130.59.31.253</p>
<p>;; AUTHORITY SECTION:<br>
switch.ch. 2221 IN NS ns2.switch.ch.<br>
switch.ch. 2221 IN NS scsnms.switch.ch.</p>
<p>;; ADDITIONAL SECTION:<br>
ns2.switch.ch. 160647 IN A 130.59.138.49<br>
ns2.switch.ch. 160647 IN AAAA 2001:620:0:1b:5054:ff:fe74:8780<br>
scsnms.switch.ch. 160647 IN A 130.59.1.30<br>
scsnms.switch.ch. 160647 IN A 130.59.10.30<br>
scsnms.switch.ch. 160647 IN AAAA 2001:620::1</p>
<p>;; Query time: 12 msec<br>
;; SERVER: 2001:620:0:ff::3#53(2001:620:0:ff::3)<br>
;; WHEN: Fri Feb 7 12:42:51 2014<br>
;; MSG SIZE rcvd: 208</p>
<p>DNS WARNING - 0.033 seconds response time (Server not found in ANSWER SECTION)|time=0.033127s;;;0.000000</p>
<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br><a href='https://github.com/monitoring-plugins/monitoring-plugins/issues/1233'>Reply to this email on GitHub</a>.<img src='https://github.com/notifications/beacon/5514713__eyJzY29wZSI6Ik5ld3NpZXM6QmVhY29uIiwiZXhwaXJlcyI6MTcwNzMwNjQwNiwiZGF0YSI6eyJpZCI6MjUxNzI2MjR9fQ==--7d6f2c30a5750cf15c19560894678d1e099574c3.gif' height='1' width='1'></p>