Monitor: DNS query

Question

Hi,

We have recently moved from another monitoring system to PA and are very happy.

One of the items our old monitoring system could do was a DNS query in which it would check for a expected return IP address.

Example: Query DNS server (ABC.local) for webpage: 123.com, expect IP address of 1.1.1.1 returned. If a different ip address is returned it fails.

IVe not found a way to complete this other than write a program and publish the page ourselves. then do a webpage test.

Any ideas if this is possible within the current PA environment? Its a important check for us as a webpage hosting company.

Cheers

Accepted Answer

0

Hi Sduelund --

We have just added a DNS Monitor to our v6 Beta. You can see the documentation here:

DNS Monitor

If you would like to try the Beta, it is available now at:

PA Server Monitor BETA

link

answered 07 May '15, 17:33

Doug ♦♦
10.3k●12●21●38
accept rate: 20%

edited 07 May '15, 17:34

Love your work guys! will give the Beta a go.

(08 May '15, 01:01) Sduelund

Answer 2

You can do this indirectly using an Execute Script monitor. You should be able to modify the below to work for you without too much hassle.

Lifted from: https://social.technet.microsoft.com/Forums/en-US/d93cb9a9-32ac-4494-ae47-9269092a10d2/how-to-nslookup-an-input-in-vbscript?forum=ITCG

Option Explicit
Dim objshell, strCmd, objExec, strLine, strIP

set objShell = CreateObject("Wscript.Shell")

strCmd = "%comspec% /c nslookup MyComputer"
Set objExec = objShell.Exec(strCmd)
Do Until objExec.StdOut.AtEndOfStream
    strLine = objExec.StdOut.ReadLine()
    If (Left(strLine, 8) = "Address:") Then
        strIP = Trim(Mid(strLine, 9))
        Wscript.Echo strIP
    End If
Loop

Monitor: DNS query

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