shell:$ nslookup -timeout=2 -retry=1 'www.taobao.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.taobao.com	canonical name = www.taobao.com.danuoyi.tbcache.com.
Name:	www.taobao.com.danuoyi.tbcache.com
Address: 155.102.55.39
Name:	www.taobao.com.danuoyi.tbcache.com
Address: 155.102.55.40