shell:$ nslookup -timeout=2 -retry=1 'ppp-223-24-181-245.revip6.asianet.co.th' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: ppp-223-24-181-245.revip6.asianet.co.th Address: 223.24.181.245