[Cialug] DNS Reverse Lookup

[Tom Sellers]

Here is the response to using the command that you suggested.  Since I'm new to this I'm not sure what the below tells me.  The section under Authority Section looks a little questionable but not sure what it should look like.

Does this tell you anything of value?

tsellers at bluto-laptop:~$ dig -x 192.168.1.1

; <<>> DiG 9.5.0-P2 <<>> -x 192.168.1.1
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62144
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;1.1.168.192.in-addr.arpa.	IN	PTR

;; AUTHORITY SECTION:
168.192.in-addr.arpa.	10800	IN	SOA	prisoner.iana.org. hostmaster.root-servers.org. 2002040800 1800 900 604800 604800

;; Query time: 486 msec
;; SERVER: 192.168.1.9#53(192.168.1.9)
;; WHEN: Fri May 15 23:36:23 2009
;; MSG SIZE  rcvd: 119


--- On Fri, 5/15/09, Matthew Lechleider <matthew at lechleider.com> wrote:

> From: Matthew Lechleider <matthew at lechleider.com>
> Subject: Re: [Cialug] DNS Reverse Lookup
> To: "Central Iowa Linux Users Group" <cialug at cialug.org>
> Date: Friday, May 15, 2009, 11:33 PM
> Try dig with the flag -x for reverse
> lookup.
> 
> dig -x IP
> 
> 
> Tom Sellers wrote:
> > I have set up a DNS server on my home network and
> although it resolves machine names to IP addresses just fine
> I can't seem to make it perform the reverse lookup
> properly.
> >
> > Below is an example and the DIG information on my DNS
> server.
> >
> > Can anyone shed some light on where I have gone wrong
> here?
> >
> >
> ------------------------------------------------------------------------
> >
> > tsellers at bluto-laptop:~$ nslookup gw
> > Server:       
> 192.168.1.9
> > Address:    192.168.1.9#53
> >
> > Name:    gw.mydomain.com
> > Address: 192.168.1.1
> >
> > tsellers at bluto-laptop:~$ nslookup 192.168.1.1
> > Server:       
> 192.168.1.9
> > Address:    192.168.1.9#53
> >
> > ** server can't find 1.1.168.192.in-addr.arpa.:
> NXDOMAIN
> >
> > tsellers at bluto-laptop:~$ dig mydomain.com
> >
> > ; <<>> DiG 9.5.0-P2 <<>>
> mydomain.com
> > ;; global options:  printcmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status:
> NOERROR, id: 29703
> > ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY:
> 1, ADDITIONAL: 0
> >
> > ;; QUESTION SECTION:
> > ;mydomain.com.       
>     IN    A
> >
> > ;; AUTHORITY SECTION:
> > mydomain.com.       
> 38400    IN   
> SOA    bluto.mydomain.com.
> admin.mydomain.com. 2007062001 28800 3600 604800 38400
> >
> > ;; Query time: 1 msec
> > ;; SERVER: 192.168.1.9#53(192.168.1.9)
> > ;; WHEN: Fri May 15 23:17:25 2009
> > ;; MSG SIZE  rcvd: 78
> >
> >
> >
> >       
> >
> > _______________________________________________
> > Cialug mailing list
> > Cialug at cialug.org
> > http://cialug.org/mailman/listinfo/cialug
> >   
> 
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