shell:$ nslookup -timeout=2 -retry=1 'n110-32-184-163.mrk21.qld.optusnet.com.au'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	n110-32-184-163.mrk21.qld.optusnet.com.au
Address: 110.32.184.163