shell:$ nslookup -timeout=2 -retry=1 'www.foad.ciffip.tn' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: www.foad.ciffip.tn canonical name = foad.ciffip.tn. Name: foad.ciffip.tn Address: 193.95.5.131