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

Non-authoritative answer:
Name:	topcoder.com
Address: 34.238.181.206
Name:	topcoder.com
Address: 54.158.161.5
Name:	topcoder.com
Address: 44.196.32.66