shell:$ nslookup -timeout=2 -retry=1 'usa1.kernvpn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	usa1.kernvpn.com
Address: 54.243.117.197
Name:	usa1.kernvpn.com
Address: 13.223.25.84
Name:	usa1.kernvpn.com
Address: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
Name:	usa1.kernvpn.com
Address: 2600:1f18:4ae:c606:78d4:4260:db4e:aeee