shell:$ nslookup -timeout=2 -retry=1 'ftp.roshanmoviebox.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
ftp.roshanmoviebox.com	canonical name = roshanmoviebox.com.
Name:	roshanmoviebox.com
Address: 51.68.207.190