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

Non-authoritative answer:
Name:	ppgn.mdn.dz
Address: 80.246.2.167
ppgn.mdn.dz	canonical name = www.mdn.dz.