shell:$ nslookup -timeout=2 -retry=1 'ec.algerietelecom.dz'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ec.algerietelecom.dz	canonical name = client.algerietelecom.dz.
Name:	client.algerietelecom.dz
Address: 197.112.104.71