shell:$ nslookup -timeout=2 -retry=1 'ns1.afrinic.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ns1.afrinic.net
Address: 196.216.2.1
Name:	ns1.afrinic.net
Address: 2001:42d0::200:2:1