Re: isc domain lookup

2014-05-16 Thread Phil Mayers
On 16/05/14 05:38, Yossi Eskenazi wrote: but there are many domains which cannot get through. The problem appeared rather recently, so I suspect that an update in a firewall brand, or a dns server update is causing this. Almost certainly not. It's very likely your network provider or one of t

Re: isc domain lookup

2014-05-15 Thread Yossi Eskenazi
Hello, Thanks for your help. I did a research after asking the question, and came to the same conclusion. But it didn't occur to me that it could be a firewall, I thought it was the name server doing it, maybe blacklisting the domains beginning with "isc". Does the fact that the query times out sh

Re: isc domain lookup

2014-05-14 Thread Mark Andrews
Someone trying to block isc.org/any queries in a firewall to prevent their servers being used in a amplification attack and causing collateral damage through a badly designed rule. Mark In message , Yossi Eskenazi writes: > > Hello, > > My question is not directly related to bind, but since