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

Non-authoritative answer:
Name:	s.youtube.com
Address: 192.178.154.102
Name:	s.youtube.com
Address: 192.178.154.101
Name:	s.youtube.com
Address: 192.178.154.100
Name:	s.youtube.com
Address: 192.178.154.138
Name:	s.youtube.com
Address: 192.178.154.113
Name:	s.youtube.com
Address: 192.178.154.139
Name:	s.youtube.com
Address: 2607:f8b0:4023:1401::64
Name:	s.youtube.com
Address: 2607:f8b0:4023:1401::66
Name:	s.youtube.com
Address: 2607:f8b0:4023:1401::65
Name:	s.youtube.com
Address: 2607:f8b0:4023:1401::71