Re: Refreshing cache in other DNS servers

2013-10-15 Thread babu dheen
Thanks a lot . Now its very clear.   Regards Babu On Tuesday, 15 October 2013 6:28 PM, Steven Carr wrote: On 15 October 2013 15:53, babu dheen wrote: >  If I change the TTL value on the particular zone after modifying a  record > in Redhat Linux BIND Caching DNS server, My Redhat bind Cach

Re: Refreshing cache in other DNS servers

2013-10-15 Thread Mark Andrews
In message <525d9517.6050...@chrysler.com>, Kevin Darcy writes: > > There's no way within the DNS protocol itself to reach out and tell a > nameserver to purge an entry in its cache that hasn't expired yet. > > There are "out of band" ways: e.g. restart, recycle, rndc commands, etc. > All of t

Re: Refreshing cache in other DNS servers

2013-10-15 Thread Kevin Darcy
There's no way within the DNS protocol itself to reach out and tell a nameserver to purge an entry in its cache that hasn't expired yet. There are "out of band" ways: e.g. restart, recycle, rndc commands, etc. All of those require admin access to the nameserver instances in question. But nothi

Re: Refreshing cache in other DNS servers

2013-10-15 Thread Matus UHLAR - fantomas
On 15.10.13 22:53, babu dheen wrote: To: Matus UHLAR - fantomas , "bind-users@lists.isc.org" Hi Matus, you don't need to send me private copies - we are using a mailing list for a purpose... thank you.  If I change the TTL value on the particular zone after modifying a  record it's alread

Re: Refreshing cache in other DNS servers

2013-10-15 Thread Steven Carr
On 15 October 2013 15:53, babu dheen wrote: > If I change the TTL value on the particular zone after modifying a record > in Redhat Linux BIND Caching DNS server, My Redhat bind Caching DNS server > cache would be refreshed after 300 seconds but what if my backend windows > DNS server is still r

Re: Refreshing cache in other DNS servers

2013-10-15 Thread /dev/rob0
On Tue, Oct 15, 2013 at 10:53:13PM +0800, babu dheen wrote: > Hi Matus, > "The standard way to handle this situation is, when you know you > are going to make a change, to lower TTL of a particular RR to a > small value (e.g.  300) and after change to restore the TTL to > sane standard value (e.g

Re: Refreshing cache in other DNS servers

2013-10-15 Thread babu dheen
Hi Matus,  "The standard way to handle this situation is, when you know you are going to make a change, to lower TTL of a particular RR to a small value (e.g.  300) and after change to restore the TTL to sane standard value (e.g.  43200)."   I just need clarification on your above update.    If I c

Cacti Template for graphing BIND9.8 queries stats

2013-10-15 Thread Sherif Magdy
Hi All, Can any one help with a template for graphing BIND9.8 queries stats using Cacti? Or any other way to graph the queries stats and response time and so on Thanks Sherif Magdy ___ Please visit https://lists.isc.org/mailman/listinfo/bind-users to u

Re: Refreshing cache in other DNS servers

2013-10-15 Thread Matus UHLAR - fantomas
On 15.10.13 19:38, babu dheen wrote:  I am running BIND caching DNS server in Redhat Linux. This DNS server is used as name server for other DNS servers which are running in Windows 2003. Whenever I modify a existing record in BIND DNS caching server zone, its not immediately taking affect in my

Refreshing cache in other DNS servers

2013-10-15 Thread babu dheen
Hi,    I am running BIND caching DNS server in Redhat Linux. This DNS server is used as name server for other DNS servers which are running in Windows 2003. Whenever I modify a existing record in BIND DNS caching server zone, its not immediately taking affect in my Windows DNS servers. But if I