shell:$ nslookup -timeout=2 -retry=1 'www.cnrps.nat.tn'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.cnrps.nat.tn	canonical name = cnrps.nat.tn.
Name:	cnrps.nat.tn
Address: 41.226.166.226