OPS335 A2 Summer 2015 Tips

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 "Testing item: $test_item"
    echo "Test Result from Primary DNS server: $pri_dns_ip -> $PRI_ANS"
    echo "Test Result from Secondary DNS server: $sec_dns_ip -> $SEC_ANS"

    [ "$SEC_ANS" = "$PRI_ANS" ] && echo match
done