[nSLUG] Static IP woes

Scott Walker crimson at unspeakable.org
Wed Sep 21 15:41:34 ADT 2005


And what's wrong with host, or nslookup? Isn't using ping to test DNS, 
like checking your brakes to make sure your tires have enough air on 
your car?

Jason Kenney wrote:
>> I was just looking for a simple example that wasn't
>> a server farm. In the old days you could use cbc.ca <http://cbc.ca>
>> Heck in the old days ping was a good test with DNS,
>> but now you have to be sure a site responds to pings.
> 
> 
> No, you don't.
> 
> My dsl router blocks all the pings, but I can still test if my dyndns is 
> up to date:
> 
> jason at skool ~ $ ping ohm.ath.cx
> PING ohm.ath.cx (24.222.146.34) 56(84) bytes of data.
> 
> I don't actually need to see the ICMP replies to know that my dns is 
> working in this case.
> 
> If it doesn't resolve,
> 
> jason at skool ~ $ ping tdfhlkg.net
> ping: unknown host tdfhlkg.net
> 
> ping tells you that too.
> 
> Perhaps there are better more capable tools, but ping is sufficient to 
> quickly test if your DNS setup is right for most people.
> 
> 
> 
> Jason
> 
> 
> 
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