shell:$ nslookup -timeout=2 -retry=1 'sify.com' ;; 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: sify.com Address: 3.111.210.243 Name: sify.com Address: 2001:e48:0:104::6