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

Non-authoritative answer:
Name:	proxy.pk
Address: 104.21.33.202
Name:	proxy.pk
Address: 172.67.149.129
Name:	proxy.pk
Address: 2606:4700:3031::6815:21ca
Name:	proxy.pk
Address: 2606:4700:3031::ac43:9581