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

Non-authoritative answer:
www.baidu.com	canonical name = www.a.shifen.com.
www.a.shifen.com	canonical name = www.wshifen.com.
Name:	www.wshifen.com
Address: 103.235.46.102
Name:	www.wshifen.com
Address: 103.235.46.115