[clue-tech] DNS

[Chris Ernst]

It's up to the client.  Typically, if the initial request fails and
there is another NS record, it will just try the next one.

	- Chris

On 11/18/2010 12:56 PM, David L. Willson wrote:
> If a domain has a couple NS records setup at the registrar, what happens
> if one of name-servers is down? Do lookups fail back to the client or
> fail gracefully to the other NS with no notice to the client?
> 
> What if there are more than two name-servers? Are they all tried before
> a failure is reported, or just a certain number?
> 
> What if the name-server is up, but there's another sort of failure, like
> "no such domain" or something like that?
> 
> I am willing and able to look this up myself, or trace it out myself,
> but I'm short of time, so I thought I'd check if someone knew off the
> top of their head, and wanted to show off a bit.
> 
> David L. Willson
> Trainer, Engineer, Enthusiast
> MCT MCSE Network+ A+ Linux+ LPIC-1 NovellCLA UbuntuCP
> tel://720.333.LANS
> Freeing the world from the tyranny (or whatevery) of Microsofty-ness
> 
> 
> 
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