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

Non-authoritative answer:
Name:	portal.com
Address: 23.62.106.138
Name:	portal.com
Address: 23.62.106.139
Name:	portal.com
Address: 2600:1405:d400:8::173e:6a8b
Name:	portal.com
Address: 2600:1405:d400:8::173e:6a8a