shell:$ nslookup -timeout=2 -retry=1 'alt5.youtube.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	alt5.youtube.com
Address: 192.178.50.78
Name:	alt5.youtube.com
Address: 2607:f8b0:4008:806::200e