shell:$ nslookup -timeout=2 -retry=1 'unblockyoutubefree.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	unblockyoutubefree.net
Address: 104.21.23.58
Name:	unblockyoutubefree.net
Address: 172.67.209.112
Name:	unblockyoutubefree.net
Address: 2606:4700:3033::6815:173a
Name:	unblockyoutubefree.net
Address: 2606:4700:3037::ac43:d170