shell:$ nslookup -timeout=2 -retry=1 'kienguru.vn'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: kienguru.vn
Address: 172.67.212.57
Name: kienguru.vn
Address: 104.21.53.111
Name: kienguru.vn
Address: 2606:4700:3037::ac43:d439
Name: kienguru.vn
Address: 2606:4700:3035::6815:356f
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