shell:$ nslookup -timeout=2 -retry=1 'whois.apnic.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	whois.apnic.net
Address: 207.148.30.186
Name:	whois.apnic.net
Address: 2001:19f0:5:3a2:5400:5ff:fe36:e789