shell:$ nslookup -timeout=2 -retry=1 'airtelcareapp.airtel.cd.nus5.dnstt.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	airtelcareapp.airtel.cd.nus5.dnstt.org
Address: 15.204.224.201