shell:$ nslookup -timeout=2 -retry=1 'office360.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	office360.com
Address: 216.239.34.21
Name:	office360.com
Address: 216.239.36.21
Name:	office360.com
Address: 216.239.38.21
Name:	office360.com
Address: 216.239.32.21