shell:$ nslookup -timeout=2 -retry=1 'support.dst.com.bn'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
support.dst.com.bn	canonical name = dst.ladesk.com.
dst.ladesk.com	canonical name = ec1.cluster.ladesk.com.
Name:	ec1.cluster.ladesk.com
Address: 3.75.35.9