Re: [PLUG] Using mon to watch dns

[Jeff Weisberg <jaw+plug@tcp4me.com>]

the other Jeff asked:

| I need to gather statistics on DNS reliability for a particular
| host. (I think something's not my fault, I'd like data to clear my
| name.) In particular, I want to query the MX server for this domain to
| see how often it's available.

what do you mean by "query the MX server"? do you mean:
	
	ask a particular name server if it knows the MX for a domain

	or check port 25 on a particular mail server?

	something else?


| I was thinking of using mon to collect the data, but I'm finding it a
| bit hard to configure, despite having listened to Jim Trocki's mon
| talk (I guess that was to phl.pm). As Jim pointed out, naming a
| program after a name of the week makes google searches really hard.
| 
| Has anyone out there played with mon enough to help me get started? I
| haven't found any examples of using mon for watching dns, it's not
| totally clear to me from the mon docs, and even DNS itself is a bit
| mysterious to me in its details.


well, no, but I know how to do it (quite simple) in a different
monitoring program. back when I ran an ISP, I developed my own
monitoring software[1][2]. it can do both of the above (and other)
tests quick easily.


	--jeff


[1] http://argus.tcp4me.com

[2] partly because my jr. admins were quite good at creating problems
    that other software wouldn't detect...

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