[PLUG] dns monitor

[wes]

I have a customer that is waiting on a DNS update for his site to start
working. He's bugging my guys constantly, so I promised him we'd call him
the moment it "works." Currently, I'm checking his DNS server every few
minutes manually. If I could automate this to alert me when it's updated, we
could make the call and be done.

It was also worth the email because I'd like to be able to do this on a
broader scale - I'm curious about how often some public DNS servers update.
I could submit a change and time how long it takes each server I'm curious
about to return the new data. I'm particularly interested in the difference
in response time between 4.2.2.2 and 8.8.8.8.

-wes

On Tue, Jul 26, 2011 at 10:07 AM, nathan w <nathan at nathanewilliams.com>wrote:

> Why? This query reminds me of an article i read describing the process of
> dns poisoning by pushing "updates" to a dns server at the moment it
> updates... So again... Why do you want this?
>
> ----- Reply message -----
> From: "wes" <plug at the-wes.com>
> To: "General Linux/UNIX discussion and help,    civil and on-topic" <
> plug at lists.pdxlinux.org>
> Subject: [PLUG] dns monitor
> Date: Tue, Jul 26, 2011 8:43 am
>
>
> Does anyone know of a tool that can monitor DNS replies and notify on
> success/failure?
>
> Basically, I want to find out the moment a DNS server (that I do not
> control) has updated.
>
> thanks,
> -wes
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