shell:$ nslookup -timeout=2 -retry=1 'ns2.singnet.com.sg'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ns2.singnet.com.sg
Address: 202.166.99.99
Name:	ns2.singnet.com.sg
Address: 2400:d800:a:1::66