[CHECK_DIG] PTR record check not working

Jonathan Angliss jon at netdork.net
Tue Jul 26 04:11:36 CEST 2011


On 07/25/11 20:19, Yueh-Hung Liu wrote:
> try this:
>
> check_dig -H "8.8.8.8" -l "-x 74.203.101.150" -T "PTR" -v
>
> you have to pass the "-x" option to the dig utility.

Interesting, I hadn't considered stringing together this, however 
check_dig returns a warning, which is because it's looking for:

   "-x 74.203.101.150"

as the response.  I guess if you tied it together with -a "somestring" 
you can make this setup work for you.  For example:

./check_dig -H 8.8.8.8 -l "-x 74.203.101.150" -T PTR \
   -a "akc.org" -v

That returns OK, but without the -a, it returns a warning.

-- 
Jonathan Angliss

>
>
>
>
>
> On Mon, Jul 25, 2011 at 9:37 PM, Chris C<mazzystr at gmail.com>  wrote:
>> Hi guys,
>> I am having trouble getting a PTR record check working with check_dig
>>
>> check_dig fails....
>> check_dig -H "8.8.8.8" -l "74.203.101.150" -T "PTR" -v
>> /usr/bin/dig @8.8.8.8 -p 53 74.203.101.150 -t PTR
>> Looking for: '74.203.101.150'
>> DNS CRITICAL - 0.169 seconds response time (No ANSWER SECTION
>> found)|time=0.169224s;;;0.000000
>>
>>
>> dig works correctly....
>> dig @8.8.8.8 -x 74.203.101.150
>>
>> ;<<>>  DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5<<>>  @8.8.8.8 -x 74.203.101.150
>> ; (1 server found)
>> ;; global options:  printcmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27441
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0
>>
>> ;; QUESTION SECTION:
>> ;150.101.203.74.in-addr.arpa.   IN      PTR
>>
>> ;; ANSWER SECTION:
>> 150.101.203.74.in-addr.arpa. 83707 IN   CNAME   150.128-255.101.203.74.in-addr.arpa.
>> 150.128-255.101.203.74.in-addr.arpa. 907 IN PTR akc.org.
>> 150.128-255.101.203.74.in-addr.arpa. 907 IN PTR www.akc.org.
>>
>> ;; Query time: 15 msec
>> ;; SERVER: 8.8.8.8#53(8.8.8.8)
>> ;; WHEN: Mon Jul 25 09:07:21 2011
>> ;; MSG SIZE  rcvd: 110
>>
>>
>> I can't get check_dig to work with any PTR record using any nameserver.
>>
>> Anyone have any idea what I'm doing wrong?
>>
>> Thanks,
>> /Chris C
>>
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------------------------------------------------------------------------------
Magic Quadrant for Content-Aware Data Loss Prevention
Research study explores the data loss prevention market. Includes in-depth
analysis on the changes within the DLP market, and the criteria used to
evaluate the strengths and weaknesses of these DLP solutions.
http://www.accelacomm.com/jaw/sfnl/114/51385063/
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