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

Non-authoritative answer:
Name:	doku.com
Address: 173.223.63.236
Name:	doku.com
Address: 2600:1405:d400:18a::23a9
Name:	doku.com
Address: 2600:1405:d400:187::23a9