Re: Domain Name 2 NS Mapping

Read inline please.

In news:B02FB639-8E56-4BCA-8B0E-6B28209B4A28@xxxxxxxxxxxxx,
Vicky <Vicky@xxxxxxxxxxxxxxxxxxxxxxxxx> typed:
Dear Kevin

The question is partially answered & have raised many other new
questions to us.

Could you eleborate what you meant by saying "you should probably
leave the Public Zone at
the registrar" Do you mean to say the NS entry should point to the NS
of the Domain registrar.

I mean the Name Server entry on your domain's public record should point to
name servers that your registrar provides to host your public domain's zone.
Many give you access to a web site where you can manage the public DNS. If
yours does not provide this service to you for no extra charge, move your
domain to one that does.

On the Public DNS you will create records that have names and IPs to point
to your public IP addresses for your mail server and websites. Then when an
internet user sends you mail or accesses you web site name it is these
records the they get.



Also if a internet user has to connect to our website
www.mydomain.org or send a email to user@xxxxxxxxxxxx & if both the
website & the email server is hosted inhouse then how would the
internet user perform name resolution to our domain?

Internet user's DNS servers will ask the DNS servers listed on your Public
record.


We are aware that we can have our resources published via ISA. But the
biggest question is how would a internet user resolve www.mydomain to
our external IP address?

The DNS servers listed on your Public record will have the record names and
Public IPs that you have on your router or what ever you use to connect to
the internet.


You have to think of it this way, you have two separate networks, one is
your internal network. It has IP addresses that work only from your local
network, these IPs cannot be routed accross the internet. You have to have a
DNS server on your internal network to provide these private IPs by name.
You also have a public network which is the IP addresses on your internet
connection. It may be only one or two IPs but it is still your public
network, and you should have DNS servers that provide these IPs by name.
One DNS server should not be asked to resolve names for both of these
networks, you need two DNS servers on the internet, and at least one
separate DNS server on your internal network.



--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps

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