shell:$ nslookup -timeout=2 -retry=1 'baidu.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	baidu.com
Address: 111.63.65.247
Name:	baidu.com
Address: 111.63.65.103
Name:	baidu.com
Address: 110.242.74.102
Name:	baidu.com
Address: 124.237.177.164