Phil > > Well it is a web server also, hosting several domains.
Phil > > Each domain has
Phil > > to have an entry in the DNS manager, no? Therefore
Phil > > DNS *IS* running on this IIS 5 box.
Sandy > If you are running a DNS server on the box,
Sandy > you won't have to *extrapolate* that it's running
Sandy > from other factors--you should *know*
Sandy > whether it's running by checking Services for 'DNS Server.'
Sandy,
Yes, I *KNOW* that DNS service is running on my web server (DNS Client
and DNS Server). It has to be in order to host any domain on my server.
When a user registers a domain name, 2 DNS names must be submitted to
the Registrar. Without this, it would be impossible for anyone surfing
the web to get to their destination if the domain they are trying to
visit exists on our web server. And then I need to create a new "A
record" in the DNS manager so that visitors can access the web site on
my server.
> But you're confused about WHY you may be running DNS on the box. IIS 5
> does not consult a local DNS server to find out what web sites it's
> hosting. It already knows, through direct configuration, whether it is
> to answer for certain HTTP requests and where to get corresponding web
> pages. IOW, a server that is only a web server not only does not
> require, but generally does not run DNS for performance reasons.
I don't understand your last sentence. If my web server did NOT have
DNS running internally, how would someone typing
"www.thisdomain-on-phils-server.com" ever get pointed to my server?
> So, if you still think that it's necessary to have DNS running on this
> box, you *must* make sure that DNS is configured correctly. If it's
> not, IMail will not get info when it needs it. And "correctly" means
> only one thing: it has to be able to return MX records for any domain
> on the Internet, *every time*.
The only MX records my DNS service would ever return (by DNS service I
meant that which is running on my web server)...the only MX records it
would return would be those domains I host that I permit to have email
accounts. Only those domains that I host are entered into my DNS
console manager.
I'm still confused.
Philip
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