How did the /etc/resolv.conf appear?

[a at zeos.net]

On Sun, Dec 17, 2006 at 06:42:46PM +0100, [LoN]Kamikaze wrote:
> a at zeos.net wrote:
> > The automatically installed /etc/resolv.conf
> > contains the next:
> > 
> > nameserver 82.207.67.2
> > nameserver 213.179.244.18
> > 
> > Today I discovered that this servers is not servers of FreeBSD.org 
> > or InterNIC, but of my ISP.
> > 
> > I wonder how the system found these IP addresses?
> 
> The entries are created by dhclient or whichever different program establishes the connection, when it receives the necessary information (your IP, gateway and the nameservers to use) from your ISP.

I do not use any special DHCP client, but I use mpd(8) to connect via ADSL.

I thought, mpd has created these entries.
But when I temporary moved resolv.conf and restarted the computer, no 
resolv.conf appeared.
So I steel don't know, who created resolv.conf.