shell:$ nslookup -timeout=2 -retry=1 'hera.bestinternet.co.th' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: hera.bestinternet.co.th Address: 61.19.249.188 Name: hera.bestinternet.co.th Address: 2001:c38:1000:249::188