shell:$ nslookup -timeout=2 -retry=1 'www.periscope.tv'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.periscope.tv	canonical name = web.periscope.tv.
Name:	web.periscope.tv
Address: 100.48.201.82
Name:	web.periscope.tv
Address: 54.209.242.27
Name:	web.periscope.tv
Address: 100.51.197.231