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

Non-authoritative answer:
Name:	www.expressvpn.com
Address: 18.154.185.91
Name:	www.expressvpn.com
Address: 18.154.185.103
Name:	www.expressvpn.com
Address: 18.154.185.30
Name:	www.expressvpn.com
Address: 18.154.185.110