shell:$ nslookup -timeout=2 -retry=1 'extramarks.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	extramarks.com
Address: 13.32.205.20
Name:	extramarks.com
Address: 13.32.205.114
Name:	extramarks.com
Address: 13.32.205.14
Name:	extramarks.com
Address: 13.32.205.127