shell:$ nslookup -timeout=2 -retry=1 'www.opensignal.com.thv2rin2.smthai4g.win'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	www.opensignal.com.thv2rin2.smthai4g.win
Address: 45.136.255.21