have DNS show two IP's for one server

Mike Ciccone mciccone at etoys.com
Wed Oct 25 21:19:14 UTC 2006


Content-Type: text/plain; charset="US-ASCII"
I'm sorry the abc123.com... wasn't the actual server.  The actual server 
is www.mytwinn.com
Internally I get the following:

nslookup www.mytwinn.com
Server:         127.0.0.1
Address:        127.0.0.1#53

Name:   www.mytwinn.com
Address: 64.78.154.27
Name:   www.mytwinn.com
Address: 64.78.154.28

If I run the nslookup from an outside source I only get one address 
(either one but only one)

For example:






Stephane Bortzmeyer <bortzmeyer at nic.fr> 
10/25/2006 02:32 PM

To
cagspy <mciccone at etoys.com>
cc
comp-protocols-dns-bind at isc.org
Subject
Re: have DNS show two IP's for one server






On Wed, Oct 25, 2006 at 12:43:19PM -0700,
 cagspy <mciccone at etoys.com> wrote 
 a message of 12 lines which said:

> When I run nslookup or dig from my dns server for my server
> abc123.com.  I get both external IP's for that server.  When I go
> out to the internet and do a lookup.  I only get one IP

I indeed see one IP address:

% dig A abc123.com.

; <<>> DiG 9.2.4 <<>> A abc123.com.
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18465
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;abc123.com.                    IN      A

;; ANSWER SECTION:
abc123.com.             86375   IN      A       71.18.51.167

;; AUTHORITY SECTION:
abc123.com.             86375   IN      NS      ns5.ixwebhosting.com.
abc123.com.             86375   IN      NS      ns6.ixwebhosting.com.

;; ADDITIONAL SECTION:
ns5.ixwebhosting.com.   172667  IN      A       72.41.223.250
ns6.ixwebhosting.com.   172667  IN      A       72.41.191.250

;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 25 22:32:00 2006
;; MSG SIZE  rcvd: 125

> (it does alternate). 

Can you post the actual results you got, both internally and on the
remote machine? Because your description does not seem to be complete.







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