shell:$ nslookup -timeout=2 -retry=1 'fac.umc.edu.dz' ;; communications error to 75.98.161.224#53: timed out Server: 69.39.86.5 Address: 69.39.86.5#53 Non-authoritative answer: Name: fac.umc.edu.dz Address: 41.111.178.108