shell:$ nslookup -timeout=2 -retry=1 'chatbot.onecrm.dialog.lk'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
chatbot.onecrm.dialog.lk	canonical name = chatbot-1623819394.ap-southeast-1.elb.amazonaws.com.
Name:	chatbot-1623819394.ap-southeast-1.elb.amazonaws.com
Address: 52.220.27.217
Name:	chatbot-1623819394.ap-southeast-1.elb.amazonaws.com
Address: 52.220.240.221