shell:$ nslookup -timeout=2 -retry=1 'uns.ac.id' ;; communications error to 1.1.1.1#53: timed out Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: uns.ac.id Address: 103.23.226.78 ;; communications error to 1.1.1.1#53: timed out