OPS335 A2 Summer 2015 Tips

How to test your secondary DNS ?

test_item=scs.senecac.on.ca
pri_dns_server=142.204.33.53
sec_dns_server=142.204.33.54

PRI_ANS=$(nslookup -query=A $test_item $pri_dns | grep -v $pri_dns | grep Address | awk '{print $2}')

#echo $PRI_ANS
#142.204.140.179
SEC_ANS=$(nslookup -query=A $test_item $sec_dns | grep -v $sec_dns | grep Address | awk '{print $2}')
#echo $PRI_ANS
#142.204.140.179
#echo $SEC_ANS
#142.204.140.179
[ "$SEC_ANS" = "$PRI_ANS" ] && echo match