shell:$ nslookup -timeout=2 -retry=1 'my.airtel.lk' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: my.airtel.lk canonical name = fv5yhwh.ng.impervadns.net. Name: fv5yhwh.ng.impervadns.net Address: 45.60.150.45