shell:$ nslookup -timeout=2 -retry=1 'www.tunisietelecom.net.tn'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.tunisietelecom.net.tn	canonical name = www.tunisietelecom.tn.
Name:	www.tunisietelecom.tn
Address: 193.95.51.245