>.telememo.au
>
>        X.400 Gateway
>        The .telememo.au domain is used as a gateway to the X.400 email
>service operated by
>        Telstra Enhanced Services (C=AU/ADMD=Telememo). For companies that
>provide
>        Network Services (such as ISPs).


Historic, as far as I know.

.gw.au

>        AARNet Gateways
>        Used for AARNet routers, and border routers of organisations
>connecting to the AARNet
>        network. (Deprecated. See .net.au)


Deprecated and vacated!



g