shell:$ nslookup -timeout=2 -retry=1 'vv.video.qq.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
vv.video.qq.com	canonical name = vv.video.qq.com.edgesuite.net.
vv.video.qq.com.edgesuite.net	canonical name = a1952.r.akamai.net.
Name:	a1952.r.akamai.net
Address: 23.212.239.197
Name:	a1952.r.akamai.net
Address: 23.212.239.201