[NTLUG:Discuss] Mail server not propagating?

[brian@pongonova.net]

On Fri, Jul 12, 2002 at 01:50:56PM +0000, m m wrote:
> Thanks Brian.
> 
> another questions:
> 
> can a domain have only one master name server?
> 
> what happen if there are two master name servers? should the soa rr need to 
> be identical?

There should be only one file-based SOA record, on the primary (master) server for
that domain.  Other secondary (slave) servers can be used to mirror the DNS records
via zone transfer.  Note that whether a server is primary or secondary depends upon
the point of view of the SOA record:  If it's being read from a file, the server is
primary w/r/t the domain.  So you can have a server that's primary for one domain,
but secondary for others.

Bottom line, though, is one file-based SOA record per domain.

   --Brian