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On 20/09/2012 10:03, maoz zadok wrote:
> Hello there, I just notice that almost all the dns servers does not
> reply with any response for pool.ntp.org you can see that only
> f.ntpns.org. reply with the right answer.
> 
> it appear to work from out side of Israel, but not from the
> any/major ISP's in Israel (that I checked).
> 
> the dns for pool.ntp.org maoz@maoz-laptop:~$ dig +short NS
> pool.ntp.org h.ntpns.org. b.ntpns.org. c.ntpns.org. f.ntpns.org. 
> e.ntpns.org. g.ntpns.org. d.ntpns.org. a.ntpns.org. i.ntpns.org.
> 
> response: maoz@maoz-laptop:~$ for X in a b c d e f g h; do echo
> "asking $X.ntpns.org, ANSWER SECTION:"; dig +short pool.ntp.org
> @$X.ntpns.org; done asking a.ntpns.org, ANSWER SECTION: asking
> b.ntpns.org, ANSWER SECTION: asking c.ntpns.org, ANSWER SECTION: 
> asking d.ntpns.org, ANSWER SECTION: asking e.ntpns.org, ANSWER
> SECTION: asking f.ntpns.org, ANSWER SECTION: 62.201.215.14 
> 86.57.151.12 195.216.64.208 193.55.167.1 asking g.ntpns.org, ANSWER
> SECTION: asking h.ntpns.org, ANSWER SECTION:
> 
> 

Hello,

These are my results from time.dhco.org in Ireland:

[ronhahn@gemini ~]$ for X in a b c d e f g h; do echo "asking
$X.ntpns.org,
> ANSWER SECTION:"; dig +short pool.ntp.org @$X.ntpns.org; done
asking a.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
asking b.ntpns.org,
ANSWER SECTION:
89.234.64.77
87.232.1.41
86.43.77.42
asking c.ntpns.org,
ANSWER SECTION:
89.234.64.77
87.232.1.41
86.43.77.42
asking d.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
asking e.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
asking f.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
asking g.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
asking h.ntpns.org,
ANSWER SECTION:
87.232.1.41
89.234.64.77
86.43.77.42
[ronhahn@gemini ~]$

Hope that helps.

R
- -- 
Ron Hahn, CISA, CISSP, ITIL-F
Rose Hill
Rosslare Strand,
Wexford, IRELAND
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