Perform MX record lookups with nslookup: C:\Documents and Settings\greEd.computerglitch>nslookup Default Server: beast.computerglitch.net Address: 192.168.0.3 > set q=mx > yahoo.com Server: beast.computerglitch.net Address: 192.168.0.3 Non-authoritative answer: yahoo.com MX preference = 1, mail exchanger = c.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = d.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = e.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = f.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = g.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = a.mx.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = b.mx.mail.yahoo.com c.mx.mail.yahoo.com internet address = 216.39.53.3 c.mx.mail.yahoo.com internet address = 68.142.237.182 d.mx.mail.yahoo.com internet address = 216.39.53.2 g.mx.mail.yahoo.com internet address = 206.190.53.191 g.mx.mail.yahoo.com internet address = 209.191.88.239 a.mx.mail.yahoo.com internet address = 209.191.118.103 b.mx.mail.yahoo.com internet address = 66.196.97.250 > Finding a domains name servers: C:\Documents and Settings\greEd.computerglitch>nslookup Default Server: beast.computerglitch.net Address: 192.168.0.3 > set type=NS > yahoo.com Server: fmlaw-serv.fmlaw.com Address: 192.168.0.3 Non-authoritative answer: yahoo.com nameserver = ns2.yahoo.com yahoo.com nameserver = ns1.yahoo.com yahoo.com nameserver = ns3.yahoo.com yahoo.com nameserver = ns4.yahoo.com yahoo.com nameserver = ns5.yahoo.com yahoo.com nameserver = ns6.yahoo.com yahoo.com nameserver = ns8.yahoo.com ns2.yahoo.com internet address = 68.142.255.16 ns1.yahoo.com internet address = 66.218.71.63 ns3.yahoo.com internet address = 217.12.4.104 ns4.yahoo.com internet address = 68.142.196.63 ns5.yahoo.com internet address = 216.109.116.17 ns6.yahoo.com internet address = 202.43.223.170 ns8.yahoo.com internet address = 202.165.104.22 >