shell:$ nslookup -timeout=2 -retry=1 'ib.bri.co.id' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: ib.bri.co.id canonical name = maho58x.ng.impervadns.net. Name: maho58x.ng.impervadns.net Address: 45.60.44.181