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

Non-authoritative answer:
wap.tv.sohu.com	canonical name = gd.a.sohu.com.
gd.a.sohu.com	canonical name = f7usa.a.sohu.com.
Name:	f7usa.a.sohu.com
Address: 52.156.120.137
Name:	f7usa.a.sohu.com
Address: 51.141.184.179