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.
Name:	olc-g2.tm-4.office.com
Address: 52.96.201.114
Name:	olc-g2.tm-4.office.com
Address: 52.96.79.242
Name:	olc-g2.tm-4.office.com
Address: 52.96.242.34
Name:	olc-g2.tm-4.office.com
Address: 52.96.157.114
Name:	olc-g2.tm-4.office.com
Address: 52.96.191.194
Name:	olc-g2.tm-4.office.com
Address: 52.96.157.50
Name:	olc-g2.tm-4.office.com
Address: 52.96.79.2
Name:	olc-g2.tm-4.office.com
Address: 52.96.79.114
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: 2603:1036:304:2853::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:83d::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:2850::2
Name:	MDW-efz.ms-acdc.office.com
Address: 2603:1036:304:3407::2