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

Non-authoritative answer:
outlook.live.com	canonical name = olc-g2.tm-4.office.com.
olc-g2.tm-4.office.com	canonical name = outlook.ms-acdc.office.com.
outlook.ms-acdc.office.com	canonical name = MDW-efz.ms-acdc.office.com.
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.157.114
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.79.82
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.157.50
Name:	MDW-efz.ms-acdc.office.com
Address: 52.96.191.210
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:2856::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:2800::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:3407::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:284c::2