shell:$ nslookup -timeout=2 -retry=1 'livepullsm.facecast.live'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
livepullsm.facecast.live	canonical name = livepullsm.facecast.live.txlivecdn.com.
livepullsm.facecast.live.txlivecdn.com	canonical name = guochao.huodonghylivecdn.sched.ovscdns.net.
Name:	guochao.huodonghylivecdn.sched.ovscdns.net
Address: 43.168.99.39
Name:	guochao.huodonghylivecdn.sched.ovscdns.net
Address: 43.168.99.40