shell:$ nslookup -timeout=2 -retry=1 'ns4.indosat.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: Name: ns4.indosat.com Address: 202.93.40.174 Name: ns4.indosat.com Address: 2407:0:0:4::4