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

Non-authoritative answer:
www.haitangshuku.com	canonical name = haitangshuku.com.
Name:	haitangshuku.com
Address: 107.148.92.235