How to set up DNS to only add aliases?

[Michael Voight]

Itai Tavor wrote:
> 
> Michael Voight wrote:
> 
> > Itai Tavor wrote:
> > >
> > > I should have given more information in my original post...
> > >
> > > What I want to do is create sub-domain names, not assign registered
> > > domain names. So, if the ISP's DNS is the master for mycompany.com, I
> > > want to create aliases of the form sub1.mycompany.com,
> > > sub2.mycompany.com, etc. But to do that, it seems to me that I need to
> > > set up my own DNS as master for the mycompany.com domain, which would
> > > clash with the ISP.
> >
> > But if you did that, there would be no reason for the ISP to be the
> > master for the zone. You don't have to be the master for mycompany.com.
> > You can simply have the ISP put an NS record in the mycompany.com zone
> > that delegates the subzoness to you.
> >
> > Michael
> 
> Yeah, I realize that... I'm just trying to avoid having to go through
> the ISP every time I want a new alias. I don't want to take over DNS
> responsibilities for the whole site, but I do want immediate, local
> control over my aliases.
> 
> It's just a Convenience issue... if it's not an easy thing to set up
> I'll just ask the ISP.

If you want that control, then your server needs to be primary. Perhaps
your ISP will settle to be secondary. You both can't be primary  if you
want these to propagate to the world.

Michael