Check_dns Error

[Dei Bertine]

Thanks for the reply.
Here's my output: 

[root at terri.csaa.com libexec]# ./check_dns -H terri.csaa.com -v
/usr/bin/nslookup -sil terri.csaa.com
Server:         10.11.109.15
Address:        10.11.109.15#53
Name:   terri.csaa.com
Address: 10.11.109.14
DNS OK: 0.005 seconds response time. terri.csaa.com returns 10.11.109.14|time=0.005352s;;;0.000000

[root at terri.csaa.com libexec]# ./check_dns -H www.yahoo.com -v
/usr/bin/nslookup -sil www.yahoo.com
Server:         10.11.109.15
Address:         10.11.109.15#53
Non-authoritative answer:
www.yahoo.com   canonical name = www.wa1.b.yahoo.com.
www.wa1.b.yahoo.com     canonical name = www-real.wa1.b.yahoo.com.
Name:   www-real.wa1.b.yahoo.com
Address: 209.131.36.158
DNS OK: 0.268 seconds response time. www.yahoo.com returns 209.131.36.158|time=0.267546s;;;0.000000

How come nagios still has the error...I'm confused. 

Cheers. 
DB



________________________________
From: Marc Powell <marc at ena.com>
To: Nagios User list <nagios-users at lists.sourceforge.net>
Sent: Wednesday, August 12, 2009 2:35:14 PM
Subject: Re: [Nagios-users] Check_dns Error


On Aug 12, 2009, at 4:01 PM, Dei Bertine wrote:

> Hi All,
>
> I got this error today but wasnt sure on what is this about.
>
> No changes again were made, it just decided to appear out of no  
> where...
>
> DNS CRITICAL - '/usr/bin/nslookup -sil' msg parsing exited with no  
> address
>
> Please kindly advise...

check_dns uses /usr/bin/nslookup to do the actual dns lookup. nslookup  
failed and didn't return an address or the format of it's output  
changed and wasn't recognized.

If this is ongoing, try running check_dns from the command line,  
adding a -v (verbose) flag to see what command is being sent to  
nslookup and what the nslookup output is. It'll probably provide a  
clue to the real problem.

--
Marc

p.s. Please start a new thread when you have a new, unrelated  
question. Don't hijack someone else's question.

p.p.s. --

$ ./check_dns -H www.ena.com -v
/usr/bin/nslookup -sil www.ena.com
Server:        172.27.0.3
Address:    172.27.0.3#53

Name:    www.ena.com
Address: 172.27.0.30

DNS OK: 0.014 seconds response time. www.ena.com returns 172.27.0.30| 
time=0.014442s;;;0.000000


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