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

Non-authoritative answer:
Name:	youku.com
Address: 106.11.40.57
Name:	youku.com
Address: 2408:4001:f10::fd
Name:	youku.com
Address: 2408:4001:f10::8
Name:	youku.com
Address: 2408:4001:f00::3a
Name:	youku.com
Address: 2408:4001:f00::1af