[ntp:hackers] NTPv4 Brian Version

David L. Mills mills at udel.edu
Thu Aug 11 02:32:13 UTC 2005


Danny,

My problem is that whatever is in ntpd resolves the same name/address 
for every pool.ntp.edu querey. It could be something broke in ntpd or 
that the pool servers are broken. My only check for sanity is 
dig/nslookup, which apparently did work as expected.

Dave

Danny Mayer wrote:

> David L. Mills wrote:
>
>> Folks,
>>
>> For some reason the pool is giving attitude. The resolver returns the 
>> same server every time asked. The nslookup and dig utilities in 
>> Solaris apparently return the right stuff, but the ntpd resolver 
>> seems stuck. None of the region zones work except us and asia. It 
>> would be nice that, by direction, the entire list returned in one 
>> query would be lit up rather than callinb many times.
>>
>> Dave
>
>
> Dave, the reason that dig and nslookup give you different answers than 
> the ntpd calls is that dig and nslookup are BIND utilities and they 
> only ask the DNS for answers, they never check anywhere else. The 
> resolver that the box uses can check in all sorts of places including 
> the ncsd or whatever. dig, host and nslookup can only tell you what 
> the answer should be not what your application is seeing.
>
> I'd rather ntpd bypass that nonsense though vendors may disagree.
>
> Danny




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