have DNS show two IP's for one server

Sten Carlsen ccc2716 at vip.cybercity.dk
Wed Oct 25 22:48:48 UTC 2006


I see two addresses:

$dig www.mytwinn.com any

; <<>> DiG 9.3.2 <<>> www.mytwinn.com any
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12091
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;www.mytwinn.com.               IN      ANY

;; ANSWER SECTION:
www.mytwinn.com.        900     IN      A       64.78.154.27
www.mytwinn.com.        900     IN      A       64.78.154.28

;; AUTHORITY SECTION:
mytwinn.com.            900     IN      NS      cons1.kbkids.com.
mytwinn.com.            900     IN      NS      cons2.kbkids.com.

;; Query time: 222 msec
;; SERVER: 192.168.14.254#53(192.168.14.254)
;; WHEN: Thu Oct 26 00:45:20 2006
;; MSG SIZE  rcvd: 112


Mike Ciccone wrote:
> 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.
>
>
>
>
>
>
>   

-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 



More information about the bind-users mailing list