C:\Users\jam>nslookup -qt=mx sigangjun.cn
服务器: dbstar2.chinadbstar.com.cn
Address: 192.168.20.202
非权威应答:
sigangjun.cn MX preference = 1, mail exchanger = mx.ym.163.com
mx.ym.163.com internet address = 123.58.178.105
mx.ym.163.com internet address = 123.58.178.51
mx.ym.163.com internet address = 123.58.178.52
mx.ym.163.com internet address = 123.58.178.60