shell:$ nslookup -timeout=2 -retry=1 'presidency-eg.mail.protection.outlook.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	presidency-eg.mail.protection.outlook.com
Address: 52.101.73.2
Name:	presidency-eg.mail.protection.outlook.com
Address: 52.101.68.10
Name:	presidency-eg.mail.protection.outlook.com
Address: 52.101.73.22
Name:	presidency-eg.mail.protection.outlook.com
Address: 52.101.68.0