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

Non-authoritative answer:
Name:	www.whatismyip.com
Address: 104.26.12.23
Name:	www.whatismyip.com
Address: 104.26.13.23
Name:	www.whatismyip.com
Address: 172.67.69.129
Name:	www.whatismyip.com
Address: 2606:4700:20::ac43:4581
Name:	www.whatismyip.com
Address: 2606:4700:20::681a:d17
Name:	www.whatismyip.com
Address: 2606:4700:20::681a:c17