How to test your secondary DNS ?
test_items="scs.senecac.on.ca www.senecac.on.ca matrix.senecac.on.ca zenit.senecac.on.ca"
pri_dns_ip=142.204.33.53
sec_dns_ip=142.204.33.54
for test_item in $test_items
do
PRI_ANS=$(nslookup -query=A $test_item $pri_dns_ip | grep -v $pri_dns_ip | grep Address | awk '{print $2}')
#cho $PRI_ANS
SEC_ANS=$(nslookup -query=A $test_item $sec_dns_ip | grep -v $sec_dns_ip | grep Address | awk '{print $2}')
echo $PRI_ANS $SEC_ANS
[ "$SEC_ANS" = "$PRI_ANS" ] && echo match
done
