shell:$ nslookup -timeout=2 -retry=1 'mail.bpopf.co.bw' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: mail.bpopf.co.bw Address: 168.167.53.157 ;; communications error to 1.1.1.1#53: timed out