In attachement compiled by me binary of NO-IP2 Client for DM8000.
enigma2-plugin-extensions-noipclient_2_2.1.9_mipsel.ipk

Just install like other ipk files

ipkg install enigma2-plugin-extensions-noipclient_2_2.1.9_mipsel.ipk

First start require configuration command:

noip -C

Next starts are provided with autostart script.

NO-IP2 account is also required.

Here You go:
https://code.google.com/p/subs-downloader/downloads/list

But is seems that the client have problem with dynamic updates (in case if You are free user).