shell:$ nslookup -timeout=2 -retry=1 'user-assistance.orange.sn'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
user-assistance.orange.sn	canonical name = sonatel.users.dimelo.com.
Name:	sonatel.users.dimelo.com
Address: 95.131.136.70