shell:$ nslookup -timeout=2 -retry=1 'flexiot.xl.co.id'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
flexiot.xl.co.id	canonical name = thingsboard.cloud.
Name:	thingsboard.cloud
Address: 44.194.165.190
Name:	thingsboard.cloud
Address: 54.208.96.163
Name:	thingsboard.cloud
Address: 44.193.166.37
Name:	thingsboard.cloud
Address: 34.232.35.38