On Mon, 16 Nov 1998, Tom T. Thai wrote:

> I think sysinstall did most of the default entries:
> /etc/hosts
> ...
> #Added by NetBSD sysinst
> #
> 204.130.134.9 predict.future.net predict
> 127.0.0.1 localhost
> 
> /etc/rc.conf
> # Basic network configuration
> hostname=""                              # if blank, use /etc/myname

There's your problem. Make that 

hostname="predict.future.net"

No need to reboot. Just enter same on the command line (as root).