shell:$ nslookup -timeout=2 -retry=1 'ftp.zain.app'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ftp.zain.app	canonical name = zain.app.
Name:	zain.app
Address: 185.23.127.171
Name:	zain.app
Address: 2a02:cb81:1005::71