shell:$ nslookup -timeout=2 -retry=1 'www.proxy-free.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	www.proxy-free.org
Address: 104.21.2.91
Name:	www.proxy-free.org
Address: 172.67.129.2
Name:	www.proxy-free.org
Address: 2606:4700:3037::6815:25b
Name:	www.proxy-free.org
Address: 2606:4700:3035::ac43:8102