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

Non-authoritative answer:
Name:	www.vpnbook.com
Address: 172.67.148.171
Name:	www.vpnbook.com
Address: 104.21.95.219
Name:	www.vpnbook.com
Address: 2606:4700:3036::6815:5fdb
Name:	www.vpnbook.com
Address: 2606:4700:3031::ac43:94ab