shell:$ nslookup -timeout=2 -retry=1 'speedtest.3bb.co.th'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	speedtest.3bb.co.th
Address: 110.164.2.246
Name:	speedtest.3bb.co.th
Address: 2403:6200:5:1::47