disparate host addresses under single domain name?

disparate host addresses under single domain name?

Post by dmorgan1REMOVET.. » Fri, 17 Sep 1999 04:00:00



Can a DNS domain name span hosts with unrelated addresses? Or must all
its hosts' addresses be in the same family?

I'm embarking on getting a domain name in order to join several
geographically scattered computers under a single name. (They all
belong to the same company.) Their static IP addresses came from
different local ISPs in the past, and are not contiguous or part of
any particular address ranges. All the examples for setting up DNS
seem to assume the same address family for hosts ( e.g., they all
start with 192.168.1 or something ). Below are host records from a
zone file like that, followed by the file as I envision it.

Is this workable? Can I set it up this way?

"STANDARD" ZONE FILE - all A records reflect addresses in same range

linwood IN      A       206.111.111.1   ; all 3 hosts same range
linny   IN      A       206.111.111.3
lindy   IN      A       206.111.111.4

DESIRED ZONE FILE - addresses can be anything, unrelated to each other

linwood IN      A       206.111.111.1   ; linwood in one city.
linny   IN      A       210.220.200.10  ; linny and lindy elsewhere,
lindy   IN      A       210.220.200.11  ; different ISP & addresses

 
 
 

disparate host addresses under single domain name?

Post by Dave Carriga » Sat, 18 Sep 1999 04:00:00


 dm> Can a DNS domain name span hosts with unrelated addresses?
 dm> Or must all its hosts' addresses be in the same family?

 dm> linwood IN      A       206.111.111.1   ; linwood in one city.
 dm> linny   IN      A       210.220.200.10  ; linny and lindy elsewhere,
 dm> lindy   IN      A       210.220.200.11  ; different ISP & addresses

This will work fine. DNS is not IP, and does not put any restrictions an
what can appear in the RR data.

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disparate host addresses under single domain name?

Post by Bill Unr » Sat, 18 Sep 1999 04:00:00



>Can a DNS domain name span hosts with unrelated addresses? Or must all
>its hosts' addresses be in the same family?

They can be on different IP addresses. Remember tht names are irrelevant
to the internet. It operates completely on IP addresses. You just have
to make sure that the DNS name server advertises the different addresses
properly. Whether there is some difficulty in this I do not know.
 
 
 

1. Single IP Address - Multiple hosts each with different domain name.

My LAN has several hosts with one of them using a dynamic dns to allow
access from the internet.

What I want to do is to be able to get to more than one of my local
hosts through this single ip address.  I figure the domain names would
look like
mylan.dyndns.org, then host2.mylan.dyndns.org, host3.mylan.dyndns.org
etc..

How do I do this?  Since dyndns can (apparently) use the
one current IP address, how can I get to the other hosts on the LAN
with a domain name like above from the internet?

To clarify, I'm not talking about multiple web sites but multiple
hosts.

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