Use both. That way, you know which the problem is...
If just the name is down, and the IP is up, you know DNS is an issue.
If both are down, you know your site is more likely.
Could also be a network thing, but, you can at least distinguish DNS issue
from other issues...
On Oct 23, 2008 8:55am, Joshua Wells <[EMAIL PROTECTED]> wrote:
Yes that was my thought. Plus it gives me the added benefit of not
having to change the host definition if the IP address of the domain
changes. If I am checking a website to be sure it is up and it becomes
available only by IP address because of a DNS issue I would want to be
made aware of that. That wouldn't happen if I defined the host by IP
address instead of URL.
-----Original Message-----
From: Patrick Morris [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 22, 2008 3:43 PM
To: Andy Shellam
Cc: Josh Wells; nagios
Subject: Re: [Nagios-users] How do I check if a website is up?
On Tue, 21 Oct 2008, Andy Shellam wrote:
> Hi Josh,
>
> You can, I believe, define a host using it's DNS name, however I and
> I'm sure the rest of the community would discourage that for the
> simple reason that if the DNS doesn't resolve, that host will be
deemed down.
FWIW, I almost always define hosts by DNS name rather than IP address
wherever possible. It's easier to maintain and you get the added
benefit of being alerted if DNS breaks.
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