shell:$ nslookup -timeout=2 -retry=1 'telkomsel2.dnstree.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: telkomsel2.dnstree.com Address: 46.255.120.88 Name: telkomsel2.dnstree.com Address: 46.255.120.89