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Figure 10	Figure 11	Figure 12	mar99.tar

Figure 8: host command to find mail servers

host -l abc.com |grep -i test
abc-mtest.abc.com has address 192.168.1.215
mstestab.abc.com has address 10.0.33.35
ab-mtest1.abc.com has address 10.0.33.40
ab-mtest2.abc.com has address 10.0.33.41
test1.abc.com has address 192.169.180.220
test2.abc.com has address 192.169.180.243
ab-test.abc.com has address 192.168.80.200
wwwtest.abc.com has address 192.169.180.9