Re: DNS Caching Issue

2011-07-21 Thread Chuck Swiger
On Jul 21, 2011, at 3:02 PM, Sathyan Arjunan (sarjunan) [CONTRACTOR] wrote: > Recent days, I am facing frequent caching issues with my DNS servers which > are responsible for recursive lookup to external queries. As a temporary > solution, we used to refresh the named daemon to clear the cache. T

DNS Caching Issue

2011-07-21 Thread Sathyan Arjunan (sarjunan) [CONTRACTOR]
Recent days, I am facing frequent caching issues with my DNS servers which are responsible for recursive lookup to external queries. As a temporary solution, we used to refresh the named daemon to clear the cache. To isolate this issue we upgraded the BIND to "BIND 9.7.3" but even after the upgrade

Re: Clients get DNS timeouts because ipv6 means more queries for each lookup

2011-07-21 Thread Bill Owens
On Mon, Jul 11, 2011 at 04:06:42PM -0400, Bill Owens wrote: > On Mon, Jul 11, 2011 at 02:11:57PM -0400, Jonathan Kamens wrote: > > The number of DNS queries required for each address lookup requested by > > a client has gone up considerably because of IPV6. The problem is being > > exacerbated by