shell:$ nslookup -timeout=2 -retry=1 'yt3.gtv1.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
yt3.gtv1.com	canonical name = gtv1.com.
Name:	yt3.gtv1.com
Address: 66.96.163.136
yt3.gtv1.com	canonical name = gtv1.com.