shell:$ nslookup -timeout=2 -retry=1 '171-100-244-143.static.asianet.co.th'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	171-100-244-143.static.asianet.co.th
Address: 171.100.244.143